Home / 38,591.28-57,885.84-12,297.60

Finding the Fourth Proportional to 38,591.28, 57,885.84 and 12,297.60

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Solution

The fourth proportional to 38,591.28, 57,885.84 and 12,297.60 is: 18,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.28 : 57,885.84 = 12,297.60 : x
  2. Step 2: Convert to fraction form
    38,591.28/57,885.84 = 12,297.60/x
  3. Step 3: Cross multiply
    38,591.28x = 57,885.84 × 12,297.60
  4. Step 4: Simplify right side
    38,591.28x = 711,856,905.98
  5. Step 5: Solve for x
    x = 711,856,905.98/38,591.28
  6. Step 6: Final answer
    x = 18,446.06

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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.