Home / 22,344.66-33,531.12-12,490.41

Finding the Fourth Proportional to 22,344.66, 33,531.12 and 12,490.41

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Solution

The fourth proportional to 22,344.66, 33,531.12 and 12,490.41 is: 18,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.66 : 33,531.12 = 12,490.41 : x
  2. Step 2: Convert to fraction form
    22,344.66/33,531.12 = 12,490.41/x
  3. Step 3: Cross multiply
    22,344.66x = 33,531.12 × 12,490.41
  4. Step 4: Simplify right side
    22,344.66x = 418,817,436.56
  5. Step 5: Solve for x
    x = 418,817,436.56/22,344.66
  6. Step 6: Final answer
    x = 18,743.51

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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.