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Finding the Fourth Proportional to 18,198.92, 25,113.92 and 10,241.58

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Solution

The fourth proportional to 18,198.92, 25,113.92 and 10,241.58 is: 14,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.92 : 25,113.92 = 10,241.58 : x
  2. Step 2: Convert to fraction form
    18,198.92/25,113.92 = 10,241.58/x
  3. Step 3: Cross multiply
    18,198.92x = 25,113.92 × 10,241.58
  4. Step 4: Simplify right side
    18,198.92x = 257,206,220.79
  5. Step 5: Solve for x
    x = 257,206,220.79/18,198.92
  6. Step 6: Final answer
    x = 14,133.05

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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.