Home / 13,163.83-19,759.41-7,627.96

Finding the Fourth Proportional to 13,163.83, 19,759.41 and 7,627.96

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Solution

The fourth proportional to 13,163.83, 19,759.41 and 7,627.96 is: 11,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.83 : 19,759.41 = 7,627.96 : x
  2. Step 2: Convert to fraction form
    13,163.83/19,759.41 = 7,627.96/x
  3. Step 3: Cross multiply
    13,163.83x = 19,759.41 × 7,627.96
  4. Step 4: Simplify right side
    13,163.83x = 150,723,989.10
  5. Step 5: Solve for x
    x = 150,723,989.10/13,163.83
  6. Step 6: Final answer
    x = 11,449.86

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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.