Home / 25,711.11-38,564.22-8,177.85

Finding the Fourth Proportional to 25,711.11, 38,564.22 and 8,177.85

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Solution

The fourth proportional to 25,711.11, 38,564.22 and 8,177.85 is: 12,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,711.11 : 38,564.22 = 8,177.85 : x
  2. Step 2: Convert to fraction form
    25,711.11/38,564.22 = 8,177.85/x
  3. Step 3: Cross multiply
    25,711.11x = 38,564.22 × 8,177.85
  4. Step 4: Simplify right side
    25,711.11x = 315,372,406.53
  5. Step 5: Solve for x
    x = 315,372,406.53/25,711.11
  6. Step 6: Final answer
    x = 12,266.00

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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.