Home / 16,896.30-25,344.45-16,781.10

Finding the Fourth Proportional to 16,896.30, 25,344.45 and 16,781.10

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Solution

The fourth proportional to 16,896.30, 25,344.45 and 16,781.10 is: 25,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.30 : 25,344.45 = 16,781.10 : x
  2. Step 2: Convert to fraction form
    16,896.30/25,344.45 = 16,781.10/x
  3. Step 3: Cross multiply
    16,896.30x = 25,344.45 × 16,781.10
  4. Step 4: Simplify right side
    16,896.30x = 425,307,749.90
  5. Step 5: Solve for x
    x = 425,307,749.90/16,896.30
  6. Step 6: Final answer
    x = 25,171.65

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Double scale
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Similar ratio
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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.