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Finding the Fourth Proportional to 18,097.90, 24,965.08 and 11,381.08

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Solution

The fourth proportional to 18,097.90, 24,965.08 and 11,381.08 is: 15,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.90 : 24,965.08 = 11,381.08 : x
  2. Step 2: Convert to fraction form
    18,097.90/24,965.08 = 11,381.08/x
  3. Step 3: Cross multiply
    18,097.90x = 24,965.08 × 11,381.08
  4. Step 4: Simplify right side
    18,097.90x = 284,129,572.69
  5. Step 5: Solve for x
    x = 284,129,572.69/18,097.90
  6. Step 6: Final answer
    x = 15,699.59

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Double scale
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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.