Home / 18,072.75-24,940.52-10,115.71

Finding the Fourth Proportional to 18,072.75, 24,940.52 and 10,115.71

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Solution

The fourth proportional to 18,072.75, 24,940.52 and 10,115.71 is: 13,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.75 : 24,940.52 = 10,115.71 : x
  2. Step 2: Convert to fraction form
    18,072.75/24,940.52 = 10,115.71/x
  3. Step 3: Cross multiply
    18,072.75x = 24,940.52 × 10,115.71
  4. Step 4: Simplify right side
    18,072.75x = 252,291,067.57
  5. Step 5: Solve for x
    x = 252,291,067.57/18,072.75
  6. Step 6: Final answer
    x = 13,959.75

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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.