Home / 15,493.70-23,231.31-6,135.03

Finding the Fourth Proportional to 15,493.70, 23,231.31 and 6,135.03

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Solution

The fourth proportional to 15,493.70, 23,231.31 and 6,135.03 is: 9,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.70 : 23,231.31 = 6,135.03 : x
  2. Step 2: Convert to fraction form
    15,493.70/23,231.31 = 6,135.03/x
  3. Step 3: Cross multiply
    15,493.70x = 23,231.31 × 6,135.03
  4. Step 4: Simplify right side
    15,493.70x = 142,524,760.78
  5. Step 5: Solve for x
    x = 142,524,760.78/15,493.70
  6. Step 6: Final answer
    x = 9,198.88

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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.