Home / 13,255.22-19,891.96-5,464.04

Finding the Fourth Proportional to 13,255.22, 19,891.96 and 5,464.04

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Solution

The fourth proportional to 13,255.22, 19,891.96 and 5,464.04 is: 8,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.22 : 19,891.96 = 5,464.04 : x
  2. Step 2: Convert to fraction form
    13,255.22/19,891.96 = 5,464.04/x
  3. Step 3: Cross multiply
    13,255.22x = 19,891.96 × 5,464.04
  4. Step 4: Simplify right side
    13,255.22x = 108,690,352.00
  5. Step 5: Solve for x
    x = 108,690,352.00/13,255.22
  6. Step 6: Final answer
    x = 8,199.81

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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.