Home / 25,963.32-38,917.17-18,545.28

Finding the Fourth Proportional to 25,963.32, 38,917.17 and 18,545.28

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Solution

The fourth proportional to 25,963.32, 38,917.17 and 18,545.28 is: 27,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.32 : 38,917.17 = 18,545.28 : x
  2. Step 2: Convert to fraction form
    25,963.32/38,917.17 = 18,545.28/x
  3. Step 3: Cross multiply
    25,963.32x = 38,917.17 × 18,545.28
  4. Step 4: Simplify right side
    25,963.32x = 721,729,814.46
  5. Step 5: Solve for x
    x = 721,729,814.46/25,963.32
  6. Step 6: Final answer
    x = 27,798.06

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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.