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Finding the Fourth Proportional to 16,697.46, 25,046.16 and 13,394.28

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Solution

The fourth proportional to 16,697.46, 25,046.16 and 13,394.28 is: 20,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.46 : 25,046.16 = 13,394.28 : x
  2. Step 2: Convert to fraction form
    16,697.46/25,046.16 = 13,394.28/x
  3. Step 3: Cross multiply
    16,697.46x = 25,046.16 × 13,394.28
  4. Step 4: Simplify right side
    16,697.46x = 335,475,279.96
  5. Step 5: Solve for x
    x = 335,475,279.96/16,697.46
  6. Step 6: Final answer
    x = 20,091.40

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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.