Home / 15,542.56-23,311.60-5,152.96

Finding the Fourth Proportional to 15,542.56, 23,311.60 and 5,152.96

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Solution

The fourth proportional to 15,542.56, 23,311.60 and 5,152.96 is: 7,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.56 : 23,311.60 = 5,152.96 : x
  2. Step 2: Convert to fraction form
    15,542.56/23,311.60 = 5,152.96/x
  3. Step 3: Cross multiply
    15,542.56x = 23,311.60 × 5,152.96
  4. Step 4: Simplify right side
    15,542.56x = 120,123,742.34
  5. Step 5: Solve for x
    x = 120,123,742.34/15,542.56
  6. Step 6: Final answer
    x = 7,728.70

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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.