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Finding the Fourth Proportional to 16,794.20, 25,191.30 and 9,018.20

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Solution

The fourth proportional to 16,794.20, 25,191.30 and 9,018.20 is: 13,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,794.20 : 25,191.30 = 9,018.20 : x
  2. Step 2: Convert to fraction form
    16,794.20/25,191.30 = 9,018.20/x
  3. Step 3: Cross multiply
    16,794.20x = 25,191.30 × 9,018.20
  4. Step 4: Simplify right side
    16,794.20x = 227,180,181.66
  5. Step 5: Solve for x
    x = 227,180,181.66/16,794.20
  6. Step 6: Final answer
    x = 13,527.30

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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.