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Finding the Fourth Proportional to 19,793.01, 27,313.54 and 11,839.62

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Solution

The fourth proportional to 19,793.01, 27,313.54 and 11,839.62 is: 16,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.01 : 27,313.54 = 11,839.62 : x
  2. Step 2: Convert to fraction form
    19,793.01/27,313.54 = 11,839.62/x
  3. Step 3: Cross multiply
    19,793.01x = 27,313.54 × 11,839.62
  4. Step 4: Simplify right side
    19,793.01x = 323,381,934.45
  5. Step 5: Solve for x
    x = 323,381,934.45/19,793.01
  6. Step 6: Final answer
    x = 16,338.19

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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.