Home / 13,728.84-20,593.30-3,340.52

Finding the Fourth Proportional to 13,728.84, 20,593.30 and 3,340.52

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Solution

The fourth proportional to 13,728.84, 20,593.30 and 3,340.52 is: 5,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.84 : 20,593.30 = 3,340.52 : x
  2. Step 2: Convert to fraction form
    13,728.84/20,593.30 = 3,340.52/x
  3. Step 3: Cross multiply
    13,728.84x = 20,593.30 × 3,340.52
  4. Step 4: Simplify right side
    13,728.84x = 68,792,330.52
  5. Step 5: Solve for x
    x = 68,792,330.52/13,728.84
  6. Step 6: Final answer
    x = 5,010.79

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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.