Home / 16,764.56-25,138.80-6,231.20

Finding the Fourth Proportional to 16,764.56, 25,138.80 and 6,231.20

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Solution

The fourth proportional to 16,764.56, 25,138.80 and 6,231.20 is: 9,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.56 : 25,138.80 = 6,231.20 : x
  2. Step 2: Convert to fraction form
    16,764.56/25,138.80 = 6,231.20/x
  3. Step 3: Cross multiply
    16,764.56x = 25,138.80 × 6,231.20
  4. Step 4: Simplify right side
    16,764.56x = 156,644,890.56
  5. Step 5: Solve for x
    x = 156,644,890.56/16,764.56
  6. Step 6: Final answer
    x = 9,343.81

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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.