Home / 13,835.22-20,747.94-5,067.78

Finding the Fourth Proportional to 13,835.22, 20,747.94 and 5,067.78

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Solution

The fourth proportional to 13,835.22, 20,747.94 and 5,067.78 is: 7,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.22 : 20,747.94 = 5,067.78 : x
  2. Step 2: Convert to fraction form
    13,835.22/20,747.94 = 5,067.78/x
  3. Step 3: Cross multiply
    13,835.22x = 20,747.94 × 5,067.78
  4. Step 4: Simplify right side
    13,835.22x = 105,145,995.37
  5. Step 5: Solve for x
    x = 105,145,995.37/13,835.22
  6. Step 6: Final answer
    x = 7,599.88

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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.