Home / 26,874.35-40,311.62-8,154.55

Finding the Fourth Proportional to 26,874.35, 40,311.62 and 8,154.55

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Solution

The fourth proportional to 26,874.35, 40,311.62 and 8,154.55 is: 12,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.35 : 40,311.62 = 8,154.55 : x
  2. Step 2: Convert to fraction form
    26,874.35/40,311.62 = 8,154.55/x
  3. Step 3: Cross multiply
    26,874.35x = 40,311.62 × 8,154.55
  4. Step 4: Simplify right side
    26,874.35x = 328,723,120.87
  5. Step 5: Solve for x
    x = 328,723,120.87/26,874.35
  6. Step 6: Final answer
    x = 12,231.85

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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.