Home / 25,529.40-38,294.12-8,000.59

Finding the Fourth Proportional to 25,529.40, 38,294.12 and 8,000.59

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Solution

The fourth proportional to 25,529.40, 38,294.12 and 8,000.59 is: 12,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.40 : 38,294.12 = 8,000.59 : x
  2. Step 2: Convert to fraction form
    25,529.40/38,294.12 = 8,000.59/x
  3. Step 3: Cross multiply
    25,529.40x = 38,294.12 × 8,000.59
  4. Step 4: Simplify right side
    25,529.40x = 306,375,553.53
  5. Step 5: Solve for x
    x = 306,375,553.53/25,529.40
  6. Step 6: Final answer
    x = 12,000.89

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1.5x scale

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.