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Finding the Fourth Proportional to 18,590.73, 25,655.25 and 10,092.87

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Solution

The fourth proportional to 18,590.73, 25,655.25 and 10,092.87 is: 13,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.73 : 25,655.25 = 10,092.87 : x
  2. Step 2: Convert to fraction form
    18,590.73/25,655.25 = 10,092.87/x
  3. Step 3: Cross multiply
    18,590.73x = 25,655.25 × 10,092.87
  4. Step 4: Simplify right side
    18,590.73x = 258,935,103.07
  5. Step 5: Solve for x
    x = 258,935,103.07/18,590.73
  6. Step 6: Final answer
    x = 13,928.18

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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.