Home / 18,613.97-25,687.38-10,116.16

Finding the Fourth Proportional to 18,613.97, 25,687.38 and 10,116.16

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Solution

The fourth proportional to 18,613.97, 25,687.38 and 10,116.16 is: 13,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.97 : 25,687.38 = 10,116.16 : x
  2. Step 2: Convert to fraction form
    18,613.97/25,687.38 = 10,116.16/x
  3. Step 3: Cross multiply
    18,613.97x = 25,687.38 × 10,116.16
  4. Step 4: Simplify right side
    18,613.97x = 259,857,646.06
  5. Step 5: Solve for x
    x = 259,857,646.06/18,613.97
  6. Step 6: Final answer
    x = 13,960.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.