Home / 13,366.38-20,049.57-3,506.52

Finding the Fourth Proportional to 13,366.38, 20,049.57 and 3,506.52

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Solution

The fourth proportional to 13,366.38, 20,049.57 and 3,506.52 is: 5,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.38 : 20,049.57 = 3,506.52 : x
  2. Step 2: Convert to fraction form
    13,366.38/20,049.57 = 3,506.52/x
  3. Step 3: Cross multiply
    13,366.38x = 20,049.57 × 3,506.52
  4. Step 4: Simplify right side
    13,366.38x = 70,304,218.20
  5. Step 5: Solve for x
    x = 70,304,218.20/13,366.38
  6. Step 6: Final answer
    x = 5,259.78

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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.