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Finding the Fourth Proportional to 18,593.78, 25,659.42 and 10,095.92

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Solution

The fourth proportional to 18,593.78, 25,659.42 and 10,095.92 is: 13,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.78 : 25,659.42 = 10,095.92 : x
  2. Step 2: Convert to fraction form
    18,593.78/25,659.42 = 10,095.92/x
  3. Step 3: Cross multiply
    18,593.78x = 25,659.42 × 10,095.92
  4. Step 4: Simplify right side
    18,593.78x = 259,055,323.27
  5. Step 5: Solve for x
    x = 259,055,323.27/18,593.78
  6. Step 6: Final answer
    x = 13,932.37

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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.