Home / 16,839.12-23,238.14-9,285.72

Finding the Fourth Proportional to 16,839.12, 23,238.14 and 9,285.72

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Solution

The fourth proportional to 16,839.12, 23,238.14 and 9,285.72 is: 12,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.12 : 23,238.14 = 9,285.72 : x
  2. Step 2: Convert to fraction form
    16,839.12/23,238.14 = 9,285.72/x
  3. Step 3: Cross multiply
    16,839.12x = 23,238.14 × 9,285.72
  4. Step 4: Simplify right side
    16,839.12x = 215,782,861.36
  5. Step 5: Solve for x
    x = 215,782,861.36/16,839.12
  6. Step 6: Final answer
    x = 12,814.38

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.