Home / 22,490.89-33,665.59-15,429.61

Finding the Fourth Proportional to 22,490.89, 33,665.59 and 15,429.61

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Solution

The fourth proportional to 22,490.89, 33,665.59 and 15,429.61 is: 23,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.89 : 33,665.59 = 15,429.61 : x
  2. Step 2: Convert to fraction form
    22,490.89/33,665.59 = 15,429.61/x
  3. Step 3: Cross multiply
    22,490.89x = 33,665.59 × 15,429.61
  4. Step 4: Simplify right side
    22,490.89x = 519,446,801.38
  5. Step 5: Solve for x
    x = 519,446,801.38/22,490.89
  6. Step 6: Final answer
    x = 23,095.88

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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.