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Finding the Fourth Proportional to 18,253.67, 25,189.73 and 10,295.90

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Solution

The fourth proportional to 18,253.67, 25,189.73 and 10,295.90 is: 14,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.67 : 25,189.73 = 10,295.90 : x
  2. Step 2: Convert to fraction form
    18,253.67/25,189.73 = 10,295.90/x
  3. Step 3: Cross multiply
    18,253.67x = 25,189.73 × 10,295.90
  4. Step 4: Simplify right side
    18,253.67x = 259,350,763.68
  5. Step 5: Solve for x
    x = 259,350,763.68/18,253.67
  6. Step 6: Final answer
    x = 14,208.15

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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.