Home / 25,134.87-34,702.35-15,584.90

Finding the Fourth Proportional to 25,134.87, 34,702.35 and 15,584.90

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Solution

The fourth proportional to 25,134.87, 34,702.35 and 15,584.90 is: 21,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.87 : 34,702.35 = 15,584.90 : x
  2. Step 2: Convert to fraction form
    25,134.87/34,702.35 = 15,584.90/x
  3. Step 3: Cross multiply
    25,134.87x = 34,702.35 × 15,584.90
  4. Step 4: Simplify right side
    25,134.87x = 540,832,481.00
  5. Step 5: Solve for x
    x = 540,832,481.00/25,134.87
  6. Step 6: Final answer
    x = 21,517.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.