Home / 19,943.38-29,882.27-15,809.95

Finding the Fourth Proportional to 19,943.38, 29,882.27 and 15,809.95

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Solution

The fourth proportional to 19,943.38, 29,882.27 and 15,809.95 is: 23,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.38 : 29,882.27 = 15,809.95 : x
  2. Step 2: Convert to fraction form
    19,943.38/29,882.27 = 15,809.95/x
  3. Step 3: Cross multiply
    19,943.38x = 29,882.27 × 15,809.95
  4. Step 4: Simplify right side
    19,943.38x = 472,437,115.54
  5. Step 5: Solve for x
    x = 472,437,115.54/19,943.38
  6. Step 6: Final answer
    x = 23,688.92

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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.