Home / 13,400.24-20,101.91-5,086.46

Finding the Fourth Proportional to 13,400.24, 20,101.91 and 5,086.46

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Solution

The fourth proportional to 13,400.24, 20,101.91 and 5,086.46 is: 7,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.24 : 20,101.91 = 5,086.46 : x
  2. Step 2: Convert to fraction form
    13,400.24/20,101.91 = 5,086.46/x
  3. Step 3: Cross multiply
    13,400.24x = 20,101.91 × 5,086.46
  4. Step 4: Simplify right side
    13,400.24x = 102,247,585.96
  5. Step 5: Solve for x
    x = 102,247,585.96/13,400.24
  6. Step 6: Final answer
    x = 7,630.28

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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.