Home / 13,844.24-20,765.63-3,983.13

Finding the Fourth Proportional to 13,844.24, 20,765.63 and 3,983.13

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Solution

The fourth proportional to 13,844.24, 20,765.63 and 3,983.13 is: 5,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.24 : 20,765.63 = 3,983.13 : x
  2. Step 2: Convert to fraction form
    13,844.24/20,765.63 = 3,983.13/x
  3. Step 3: Cross multiply
    13,844.24x = 20,765.63 × 3,983.13
  4. Step 4: Simplify right side
    13,844.24x = 82,712,183.91
  5. Step 5: Solve for x
    x = 82,712,183.91/13,844.24
  6. Step 6: Final answer
    x = 5,974.49

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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.