Home / 13,796.40-20,687.04-5,467.98

Finding the Fourth Proportional to 13,796.40, 20,687.04 and 5,467.98

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Solution

The fourth proportional to 13,796.40, 20,687.04 and 5,467.98 is: 8,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.40 : 20,687.04 = 5,467.98 : x
  2. Step 2: Convert to fraction form
    13,796.40/20,687.04 = 5,467.98/x
  3. Step 3: Cross multiply
    13,796.40x = 20,687.04 × 5,467.98
  4. Step 4: Simplify right side
    13,796.40x = 113,116,320.98
  5. Step 5: Solve for x
    x = 113,116,320.98/13,796.40
  6. Step 6: Final answer
    x = 8,198.97

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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.