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Finding the Fourth Proportional to 18,497.61, 27,806.56 and 14,839.85

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Solution

The fourth proportional to 18,497.61, 27,806.56 and 14,839.85 is: 22,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.61 : 27,806.56 = 14,839.85 : x
  2. Step 2: Convert to fraction form
    18,497.61/27,806.56 = 14,839.85/x
  3. Step 3: Cross multiply
    18,497.61x = 27,806.56 × 14,839.85
  4. Step 4: Simplify right side
    18,497.61x = 412,645,105.22
  5. Step 5: Solve for x
    x = 412,645,105.22/18,497.61
  6. Step 6: Final answer
    x = 22,308.03

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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.