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Finding the Fourth Proportional to 16,793.62, 25,141.80 and 12,651.08

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Solution

The fourth proportional to 16,793.62, 25,141.80 and 12,651.08 is: 18,939.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,793.62 : 25,141.80 = 12,651.08 : x
  2. Step 2: Convert to fraction form
    16,793.62/25,141.80 = 12,651.08/x
  3. Step 3: Cross multiply
    16,793.62x = 25,141.80 × 12,651.08
  4. Step 4: Simplify right side
    16,793.62x = 318,070,923.14
  5. Step 5: Solve for x
    x = 318,070,923.14/16,793.62
  6. Step 6: Final answer
    x = 18,939.99

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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.