Home / 13,725.94-20,560.21-11,380.39

Finding the Fourth Proportional to 13,725.94, 20,560.21 and 11,380.39

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Solution

The fourth proportional to 13,725.94, 20,560.21 and 11,380.39 is: 17,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.94 : 20,560.21 = 11,380.39 : x
  2. Step 2: Convert to fraction form
    13,725.94/20,560.21 = 11,380.39/x
  3. Step 3: Cross multiply
    13,725.94x = 20,560.21 × 11,380.39
  4. Step 4: Simplify right side
    13,725.94x = 233,983,208.28
  5. Step 5: Solve for x
    x = 233,983,208.28/13,725.94
  6. Step 6: Final answer
    x = 17,046.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.