Home / 13,701.38-20,452.94-12,040.64

Finding the Fourth Proportional to 13,701.38, 20,452.94 and 12,040.64

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Solution

The fourth proportional to 13,701.38, 20,452.94 and 12,040.64 is: 17,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.38 : 20,452.94 = 12,040.64 : x
  2. Step 2: Convert to fraction form
    13,701.38/20,452.94 = 12,040.64/x
  3. Step 3: Cross multiply
    13,701.38x = 20,452.94 × 12,040.64
  4. Step 4: Simplify right side
    13,701.38x = 246,266,487.48
  5. Step 5: Solve for x
    x = 246,266,487.48/13,701.38
  6. Step 6: Final answer
    x = 17,973.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.