Home / 18,187.07-25,098.05-10,229.12

Finding the Fourth Proportional to 18,187.07, 25,098.05 and 10,229.12

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Solution

The fourth proportional to 18,187.07, 25,098.05 and 10,229.12 is: 14,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.07 : 25,098.05 = 10,229.12 : x
  2. Step 2: Convert to fraction form
    18,187.07/25,098.05 = 10,229.12/x
  3. Step 3: Cross multiply
    18,187.07x = 25,098.05 × 10,229.12
  4. Step 4: Simplify right side
    18,187.07x = 256,730,959.42
  5. Step 5: Solve for x
    x = 256,730,959.42/18,187.07
  6. Step 6: Final answer
    x = 14,116.13

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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.