Home / 16,865.28-25,297.20-9,983.52

Finding the Fourth Proportional to 16,865.28, 25,297.20 and 9,983.52

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Solution

The fourth proportional to 16,865.28, 25,297.20 and 9,983.52 is: 14,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.28 : 25,297.20 = 9,983.52 : x
  2. Step 2: Convert to fraction form
    16,865.28/25,297.20 = 9,983.52/x
  3. Step 3: Cross multiply
    16,865.28x = 25,297.20 × 9,983.52
  4. Step 4: Simplify right side
    16,865.28x = 252,555,102.14
  5. Step 5: Solve for x
    x = 252,555,102.14/16,865.28
  6. Step 6: Final answer
    x = 14,974.85

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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.