Home / 37,132.20-55,706.94-12,170.70

Finding the Fourth Proportional to 37,132.20, 55,706.94 and 12,170.70

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Solution

The fourth proportional to 37,132.20, 55,706.94 and 12,170.70 is: 18,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.20 : 55,706.94 = 12,170.70 : x
  2. Step 2: Convert to fraction form
    37,132.20/55,706.94 = 12,170.70/x
  3. Step 3: Cross multiply
    37,132.20x = 55,706.94 × 12,170.70
  4. Step 4: Simplify right side
    37,132.20x = 677,992,454.66
  5. Step 5: Solve for x
    x = 677,992,454.66/37,132.20
  6. Step 6: Final answer
    x = 18,258.88

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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.