Home / 18,172.22-25,046.82-13,863.83

Finding the Fourth Proportional to 18,172.22, 25,046.82 and 13,863.83

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Solution

The fourth proportional to 18,172.22, 25,046.82 and 13,863.83 is: 19,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.22 : 25,046.82 = 13,863.83 : x
  2. Step 2: Convert to fraction form
    18,172.22/25,046.82 = 13,863.83/x
  3. Step 3: Cross multiply
    18,172.22x = 25,046.82 × 13,863.83
  4. Step 4: Simplify right side
    18,172.22x = 347,244,729.29
  5. Step 5: Solve for x
    x = 347,244,729.29/18,172.22
  6. Step 6: Final answer
    x = 19,108.55

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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.