Home / 13,743.28-20,616.27-3,882.63

Finding the Fourth Proportional to 13,743.28, 20,616.27 and 3,882.63

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Solution

The fourth proportional to 13,743.28, 20,616.27 and 3,882.63 is: 5,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.28 : 20,616.27 = 3,882.63 : x
  2. Step 2: Convert to fraction form
    13,743.28/20,616.27 = 3,882.63/x
  3. Step 3: Cross multiply
    13,743.28x = 20,616.27 × 3,882.63
  4. Step 4: Simplify right side
    13,743.28x = 80,045,348.39
  5. Step 5: Solve for x
    x = 80,045,348.39/13,743.28
  6. Step 6: Final answer
    x = 5,824.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.