Home / 13,725.97-20,589.15-4,367.43

Finding the Fourth Proportional to 13,725.97, 20,589.15 and 4,367.43

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Solution

The fourth proportional to 13,725.97, 20,589.15 and 4,367.43 is: 6,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.97 : 20,589.15 = 4,367.43 : x
  2. Step 2: Convert to fraction form
    13,725.97/20,589.15 = 4,367.43/x
  3. Step 3: Cross multiply
    13,725.97x = 20,589.15 × 4,367.43
  4. Step 4: Simplify right side
    13,725.97x = 89,921,671.38
  5. Step 5: Solve for x
    x = 89,921,671.38/13,725.97
  6. Step 6: Final answer
    x = 6,551.21

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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.