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Finding the Fourth Proportional to 16,691.19, 25,036.11 and 6,156.65

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Solution

The fourth proportional to 16,691.19, 25,036.11 and 6,156.65 is: 9,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.19 : 25,036.11 = 6,156.65 : x
  2. Step 2: Convert to fraction form
    16,691.19/25,036.11 = 6,156.65/x
  3. Step 3: Cross multiply
    16,691.19x = 25,036.11 × 6,156.65
  4. Step 4: Simplify right side
    16,691.19x = 154,138,441.45
  5. Step 5: Solve for x
    x = 154,138,441.45/16,691.19
  6. Step 6: Final answer
    x = 9,234.72

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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.