Home / 18,233.67-25,149.97-11,163.58

Finding the Fourth Proportional to 18,233.67, 25,149.97 and 11,163.58

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Solution

The fourth proportional to 18,233.67, 25,149.97 and 11,163.58 is: 15,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.67 : 25,149.97 = 11,163.58 : x
  2. Step 2: Convert to fraction form
    18,233.67/25,149.97 = 11,163.58/x
  3. Step 3: Cross multiply
    18,233.67x = 25,149.97 × 11,163.58
  4. Step 4: Simplify right side
    18,233.67x = 280,763,674.18
  5. Step 5: Solve for x
    x = 280,763,674.18/18,233.67
  6. Step 6: Final answer
    x = 15,398.09

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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.