Home / 18,724.16-25,839.96-10,340.84

Finding the Fourth Proportional to 18,724.16, 25,839.96 and 10,340.84

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Solution

The fourth proportional to 18,724.16, 25,839.96 and 10,340.84 is: 14,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.16 : 25,839.96 = 10,340.84 : x
  2. Step 2: Convert to fraction form
    18,724.16/25,839.96 = 10,340.84/x
  3. Step 3: Cross multiply
    18,724.16x = 25,839.96 × 10,340.84
  4. Step 4: Simplify right side
    18,724.16x = 267,206,891.97
  5. Step 5: Solve for x
    x = 267,206,891.97/18,724.16
  6. Step 6: Final answer
    x = 14,270.70

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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.