Question

determine if the following are in proportion number 18 10 16 20

Answer 1

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Answer 2

Answer :

No, the numbers are not in proportion.

Step-by-step explanation :

A group of numbers is said to be in proportion if the product of their extremes is equal to product of their means.

Here,

18 : 10 : : 16 : 20

Extremes = 18 and 20

Product if extremes = 18 * 20 = 360

Means = 10 and 16

Product of means = 10 * 16 = 160

So, we conclude that ;

360 ≠ 160

∴ Product of extremes ≠ Product of means.

Hence, the given set of numbers are not in proportion.