Home / 25,677.06-38,520.45-8,151.90

Finding the Fourth Proportional to 25,677.06, 38,520.45 and 8,151.90

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Solution

The fourth proportional to 25,677.06, 38,520.45 and 8,151.90 is: 12,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,677.06 : 38,520.45 = 8,151.90 : x
  2. Step 2: Convert to fraction form
    25,677.06/38,520.45 = 8,151.90/x
  3. Step 3: Cross multiply
    25,677.06x = 38,520.45 × 8,151.90
  4. Step 4: Simplify right side
    25,677.06x = 314,014,856.36
  5. Step 5: Solve for x
    x = 314,014,856.36/25,677.06
  6. Step 6: Final answer
    x = 12,229.39

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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.