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Finding the Fourth Proportional to 19,793.76, 27,315.12 and 10,841.12

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Solution

The fourth proportional to 19,793.76, 27,315.12 and 10,841.12 is: 14,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.76 : 27,315.12 = 10,841.12 : x
  2. Step 2: Convert to fraction form
    19,793.76/27,315.12 = 10,841.12/x
  3. Step 3: Cross multiply
    19,793.76x = 27,315.12 × 10,841.12
  4. Step 4: Simplify right side
    19,793.76x = 296,126,493.73
  5. Step 5: Solve for x
    x = 296,126,493.73/19,793.76
  6. Step 6: Final answer
    x = 14,960.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.