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Finding the Fourth Proportional to 18,167.52, 25,071.40 and 11,092.96

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Solution

The fourth proportional to 18,167.52, 25,071.40 and 11,092.96 is: 15,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.52 : 25,071.40 = 11,092.96 : x
  2. Step 2: Convert to fraction form
    18,167.52/25,071.40 = 11,092.96/x
  3. Step 3: Cross multiply
    18,167.52x = 25,071.40 × 11,092.96
  4. Step 4: Simplify right side
    18,167.52x = 278,116,037.34
  5. Step 5: Solve for x
    x = 278,116,037.34/18,167.52
  6. Step 6: Final answer
    x = 15,308.42

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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.