Home / 18,151.38-27,201.53-14,437.12

Finding the Fourth Proportional to 18,151.38, 27,201.53 and 14,437.12

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Solution

The fourth proportional to 18,151.38, 27,201.53 and 14,437.12 is: 21,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.38 : 27,201.53 = 14,437.12 : x
  2. Step 2: Convert to fraction form
    18,151.38/27,201.53 = 14,437.12/x
  3. Step 3: Cross multiply
    18,151.38x = 27,201.53 × 14,437.12
  4. Step 4: Simplify right side
    18,151.38x = 392,711,680.61
  5. Step 5: Solve for x
    x = 392,711,680.61/18,151.38
  6. Step 6: Final answer
    x = 21,635.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.