Home / 17,190.33-25,787.96-6,520.61

Finding the Fourth Proportional to 17,190.33, 25,787.96 and 6,520.61

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Solution

The fourth proportional to 17,190.33, 25,787.96 and 6,520.61 is: 9,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.33 : 25,787.96 = 6,520.61 : x
  2. Step 2: Convert to fraction form
    17,190.33/25,787.96 = 6,520.61/x
  3. Step 3: Cross multiply
    17,190.33x = 25,787.96 × 6,520.61
  4. Step 4: Simplify right side
    17,190.33x = 168,153,229.86
  5. Step 5: Solve for x
    x = 168,153,229.86/17,190.33
  6. Step 6: Final answer
    x = 9,781.85

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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.