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basic explanation:

Ratios are the proportions between two numbers. The calculations this calculator performs are explained below in the in-depth explanation.

in-depth explanation:

There are three different calculations that this calculator can perform. The calculation they do perform depends on the values you enter. Every calculation requires values A and B. If both C and D are absent, this calculator will simply multiply both the A and B values by two and put the results in the next ratio.

If only C is absent this calculator will calculate C so the two ratios are equal. To perform this operation yourself, first arrange the ratios like fractions, putting an

*x*where appropriate. Next, cross-multiply the two fractions fully. Afterwards, divide both sides by the D value.

*x*is the C value.

When D is absent instead of C, the calculator will find D instead. The process for finding D is similar to the process of finding C, except you must switch the C and D values.

If you enter all four values, this calculator will decide whether the two ratios are equal. To perform this calculation yourself, divide A by B and divide C by D. If the two results are equal, so are the ratios. Otherwise, the ratios are not equal.

ratio practice problems:

To fully understand this concept, it is important to utilize your knowledge through problems. Rather than creating your own, you can simply use some of the ones from our collection of ratios practice problems below. They are categorized into three different categories: easy, medium, and hard. It is recommended you begin with the easy problems and work your way up from there. If you are having difficulties solving any of the problems, you may use our ratios calculator which will calculate the answer and provide steps on how the problem was solved. You may also use the calculator to check you got the correct answer.

easy:

1.) Decide whether the following two ratios are equal: 1:2 and 2:4.

2.) Decide whether the following two ratios are equal: 3:8 and 2:6.

3.) Decide whether the following two ratios are equal: 1:4 and 3:12.

4.) Decide whether the following two ratios are equal: 2:8 and 8:32.

5.) Calculate C when A = 3, B = 8, and D = 32.

6.) Calculate C when A = 5, B = 12, and D = 45.

7.) Calculate C when A = 4, B = 24, and D = 56.

8.) Calculate D when A = 8, B = 16, and C = 23.

9.) Calculate D when A = 12, B = 28, and C = 56.

10.) Calculate D when A = 10, B = 12, and C = 110.

medium:

1.) Decide whether the following two ratios are equal: 12:22 and 42:84.

2.) Decide whether the following two ratios are equal: 23:85 and 21:56.

3.) Decide whether the following two ratios are equal: 20:80 and 3:12.

4.) Decide whether the following two ratios are equal: 2:12 and 8:48.

5.) Calculate C when A = 16, B = 112, and D = 55.

6.) Calculate C when A = 14, B = 19, and D = 115.

7.) Calculate C when A = 12, B = 46, and D = 118.

8.) Calculate D when A = 24, B = 212, and C = 15.

9.) Calculate D when A = 11, B = 88, and C = 24.

10.) Calculate D when A = 65, B = 115, and C = 25.

hard:

1.) Decide whether the following two ratios are equal: 44:171 and 434:1,438.

2.) Decide whether the following two ratios are equal: 1:182.5 and 2:365.

3.) Decide whether the following two ratios are equal: 14:56 and 112:448.

4.) Decide whether the following two ratios are equal: 92:428 and 118:392.

5.) Calculate C when A = 322, B = 1,100, and D = 5,348.

6.) Calculate C when A = 462, B = 2,484, and D = 11,484.

7.) Calculate C when A = 433, B = 5,484, and D = 23,438.

8.) Calculate D when A = 510, B = 5,100, and C = 12,458.

9.) Calculate D when A = 672, B = 4,488, and C = 17,383.

10.) Calculate D when A = 115, B = 11,484, and C = 83,283.

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