Home / 13,708.92-20,563.34-5,383.11

Finding the Fourth Proportional to 13,708.92, 20,563.34 and 5,383.11

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Solution

The fourth proportional to 13,708.92, 20,563.34 and 5,383.11 is: 8,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.92 : 20,563.34 = 5,383.11 : x
  2. Step 2: Convert to fraction form
    13,708.92/20,563.34 = 5,383.11/x
  3. Step 3: Cross multiply
    13,708.92x = 20,563.34 × 5,383.11
  4. Step 4: Simplify right side
    13,708.92x = 110,694,694.27
  5. Step 5: Solve for x
    x = 110,694,694.27/13,708.92
  6. Step 6: Final answer
    x = 8,074.65

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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.