Home / 18,723.38-25,839.88-10,341.50

Finding the Fourth Proportional to 18,723.38, 25,839.88 and 10,341.50

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Solution

The fourth proportional to 18,723.38, 25,839.88 and 10,341.50 is: 14,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.38 : 25,839.88 = 10,341.50 : x
  2. Step 2: Convert to fraction form
    18,723.38/25,839.88 = 10,341.50/x
  3. Step 3: Cross multiply
    18,723.38x = 25,839.88 × 10,341.50
  4. Step 4: Simplify right side
    18,723.38x = 267,222,963.97
  5. Step 5: Solve for x
    x = 267,222,963.97/18,723.38
  6. Step 6: Final answer
    x = 14,272.16

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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.