Home / 15,221.71-22,832.52-5,359.87

Finding the Fourth Proportional to 15,221.71, 22,832.52 and 5,359.87

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Solution

The fourth proportional to 15,221.71, 22,832.52 and 5,359.87 is: 8,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.71 : 22,832.52 = 5,359.87 : x
  2. Step 2: Convert to fraction form
    15,221.71/22,832.52 = 5,359.87/x
  3. Step 3: Cross multiply
    15,221.71x = 22,832.52 × 5,359.87
  4. Step 4: Simplify right side
    15,221.71x = 122,379,338.97
  5. Step 5: Solve for x
    x = 122,379,338.97/15,221.71
  6. Step 6: Final answer
    x = 8,039.79

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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.