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Finding the Fourth Proportional to 18,098.76, 24,962.94 and 11,379

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Solution

The fourth proportional to 18,098.76, 24,962.94 and 11,379 is: 15,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.76 : 24,962.94 = 11,379 : x
  2. Step 2: Convert to fraction form
    18,098.76/24,962.94 = 11,379/x
  3. Step 3: Cross multiply
    18,098.76x = 24,962.94 × 11,379
  4. Step 4: Simplify right side
    18,098.76x = 284,053,294.26
  5. Step 5: Solve for x
    x = 284,053,294.26/18,098.76
  6. Step 6: Final answer
    x = 15,694.63

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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.