Home / 18,517.73-25,550.39-10,960.30

Finding the Fourth Proportional to 18,517.73, 25,550.39 and 10,960.30

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Solution

The fourth proportional to 18,517.73, 25,550.39 and 10,960.30 is: 15,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.73 : 25,550.39 = 10,960.30 : x
  2. Step 2: Convert to fraction form
    18,517.73/25,550.39 = 10,960.30/x
  3. Step 3: Cross multiply
    18,517.73x = 25,550.39 × 10,960.30
  4. Step 4: Simplify right side
    18,517.73x = 280,039,903.04
  5. Step 5: Solve for x
    x = 280,039,903.04/18,517.73
  6. Step 6: Final answer
    x = 15,122.80

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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.