Home / 13,844.62-20,724.56-12,806.48

Finding the Fourth Proportional to 13,844.62, 20,724.56 and 12,806.48

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Solution

The fourth proportional to 13,844.62, 20,724.56 and 12,806.48 is: 19,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.62 : 20,724.56 = 12,806.48 : x
  2. Step 2: Convert to fraction form
    13,844.62/20,724.56 = 12,806.48/x
  3. Step 3: Cross multiply
    13,844.62x = 20,724.56 × 12,806.48
  4. Step 4: Simplify right side
    13,844.62x = 265,408,640.66
  5. Step 5: Solve for x
    x = 265,408,640.66/13,844.62
  6. Step 6: Final answer
    x = 19,170.52

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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.