Home / 18,227.26-25,153.86-11,157.58

Finding the Fourth Proportional to 18,227.26, 25,153.86 and 11,157.58

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Solution

The fourth proportional to 18,227.26, 25,153.86 and 11,157.58 is: 15,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.26 : 25,153.86 = 11,157.58 : x
  2. Step 2: Convert to fraction form
    18,227.26/25,153.86 = 11,157.58/x
  3. Step 3: Cross multiply
    18,227.26x = 25,153.86 × 11,157.58
  4. Step 4: Simplify right side
    18,227.26x = 280,656,205.26
  5. Step 5: Solve for x
    x = 280,656,205.26/18,227.26
  6. Step 6: Final answer
    x = 15,397.61

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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.