Home / 26,591.13-39,874.68-7,864.74

Finding the Fourth Proportional to 26,591.13, 39,874.68 and 7,864.74

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Solution

The fourth proportional to 26,591.13, 39,874.68 and 7,864.74 is: 11,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.13 : 39,874.68 = 7,864.74 : x
  2. Step 2: Convert to fraction form
    26,591.13/39,874.68 = 7,864.74/x
  3. Step 3: Cross multiply
    26,591.13x = 39,874.68 × 7,864.74
  4. Step 4: Simplify right side
    26,591.13x = 313,603,990.78
  5. Step 5: Solve for x
    x = 313,603,990.78/26,591.13
  6. Step 6: Final answer
    x = 11,793.56

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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.