Home / 13,796.48-20,687.58-6,773.36

Finding the Fourth Proportional to 13,796.48, 20,687.58 and 6,773.36

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Solution

The fourth proportional to 13,796.48, 20,687.58 and 6,773.36 is: 10,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.48 : 20,687.58 = 6,773.36 : x
  2. Step 2: Convert to fraction form
    13,796.48/20,687.58 = 6,773.36/x
  3. Step 3: Cross multiply
    13,796.48x = 20,687.58 × 6,773.36
  4. Step 4: Simplify right side
    13,796.48x = 140,124,426.87
  5. Step 5: Solve for x
    x = 140,124,426.87/13,796.48
  6. Step 6: Final answer
    x = 10,156.53

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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.