Home / 12,414.75-18,618.15-4,092.90

Finding the Fourth Proportional to 12,414.75, 18,618.15 and 4,092.90

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Solution

The fourth proportional to 12,414.75, 18,618.15 and 4,092.90 is: 6,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.75 : 18,618.15 = 4,092.90 : x
  2. Step 2: Convert to fraction form
    12,414.75/18,618.15 = 4,092.90/x
  3. Step 3: Cross multiply
    12,414.75x = 18,618.15 × 4,092.90
  4. Step 4: Simplify right side
    12,414.75x = 76,202,226.14
  5. Step 5: Solve for x
    x = 76,202,226.14/12,414.75
  6. Step 6: Final answer
    x = 6,138.04

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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.