Home / 39,787.56-59,644.14-13,473.90

Finding the Fourth Proportional to 39,787.56, 59,644.14 and 13,473.90

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Solution

The fourth proportional to 39,787.56, 59,644.14 and 13,473.90 is: 20,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.56 : 59,644.14 = 13,473.90 : x
  2. Step 2: Convert to fraction form
    39,787.56/59,644.14 = 13,473.90/x
  3. Step 3: Cross multiply
    39,787.56x = 59,644.14 × 13,473.90
  4. Step 4: Simplify right side
    39,787.56x = 803,639,177.95
  5. Step 5: Solve for x
    x = 803,639,177.95/39,787.56
  6. Step 6: Final answer
    x = 20,198.25

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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.