Home / 27,148.18-40,711.74-9,375.61

Finding the Fourth Proportional to 27,148.18, 40,711.74 and 9,375.61

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Solution

The fourth proportional to 27,148.18, 40,711.74 and 9,375.61 is: 14,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.18 : 40,711.74 = 9,375.61 : x
  2. Step 2: Convert to fraction form
    27,148.18/40,711.74 = 9,375.61/x
  3. Step 3: Cross multiply
    27,148.18x = 40,711.74 × 9,375.61
  4. Step 4: Simplify right side
    27,148.18x = 381,697,396.66
  5. Step 5: Solve for x
    x = 381,697,396.66/27,148.18
  6. Step 6: Final answer
    x = 14,059.78

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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.