Home / 13,882.70-20,825.13-4,022.12

Finding the Fourth Proportional to 13,882.70, 20,825.13 and 4,022.12

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Solution

The fourth proportional to 13,882.70, 20,825.13 and 4,022.12 is: 6,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.70 : 20,825.13 = 4,022.12 : x
  2. Step 2: Convert to fraction form
    13,882.70/20,825.13 = 4,022.12/x
  3. Step 3: Cross multiply
    13,882.70x = 20,825.13 × 4,022.12
  4. Step 4: Simplify right side
    13,882.70x = 83,761,171.88
  5. Step 5: Solve for x
    x = 83,761,171.88/13,882.70
  6. Step 6: Final answer
    x = 6,033.49

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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.