Home / 18,198.50-25,115.13-10,241.26

Finding the Fourth Proportional to 18,198.50, 25,115.13 and 10,241.26

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Solution

The fourth proportional to 18,198.50, 25,115.13 and 10,241.26 is: 14,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.50 : 25,115.13 = 10,241.26 : x
  2. Step 2: Convert to fraction form
    18,198.50/25,115.13 = 10,241.26/x
  3. Step 3: Cross multiply
    18,198.50x = 25,115.13 × 10,241.26
  4. Step 4: Simplify right side
    18,198.50x = 257,210,513.48
  5. Step 5: Solve for x
    x = 257,210,513.48/18,198.50
  6. Step 6: Final answer
    x = 14,133.61

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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.