Home / 13,722.24-20,589.76-4,964.48

Finding the Fourth Proportional to 13,722.24, 20,589.76 and 4,964.48

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Solution

The fourth proportional to 13,722.24, 20,589.76 and 4,964.48 is: 7,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.24 : 20,589.76 = 4,964.48 : x
  2. Step 2: Convert to fraction form
    13,722.24/20,589.76 = 4,964.48/x
  3. Step 3: Cross multiply
    13,722.24x = 20,589.76 × 4,964.48
  4. Step 4: Simplify right side
    13,722.24x = 102,217,451.72
  5. Step 5: Solve for x
    x = 102,217,451.72/13,722.24
  6. Step 6: Final answer
    x = 7,449.04

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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.