Home / 16,731.20-25,105.28-7,964.48

Finding the Fourth Proportional to 16,731.20, 25,105.28 and 7,964.48

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Solution

The fourth proportional to 16,731.20, 25,105.28 and 7,964.48 is: 11,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.20 : 25,105.28 = 7,964.48 : x
  2. Step 2: Convert to fraction form
    16,731.20/25,105.28 = 7,964.48/x
  3. Step 3: Cross multiply
    16,731.20x = 25,105.28 × 7,964.48
  4. Step 4: Simplify right side
    16,731.20x = 199,950,500.45
  5. Step 5: Solve for x
    x = 199,950,500.45/16,731.20
  6. Step 6: Final answer
    x = 11,950.76

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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.