Home / 12,734.76-19,102.15-4,414.78

Finding the Fourth Proportional to 12,734.76, 19,102.15 and 4,414.78

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Solution

The fourth proportional to 12,734.76, 19,102.15 and 4,414.78 is: 6,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.76 : 19,102.15 = 4,414.78 : x
  2. Step 2: Convert to fraction form
    12,734.76/19,102.15 = 4,414.78/x
  3. Step 3: Cross multiply
    12,734.76x = 19,102.15 × 4,414.78
  4. Step 4: Simplify right side
    12,734.76x = 84,331,730.98
  5. Step 5: Solve for x
    x = 84,331,730.98/12,734.76
  6. Step 6: Final answer
    x = 6,622.17

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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.