Home / 13,744.64-20,616.99-3,356.39

Finding the Fourth Proportional to 13,744.64, 20,616.99 and 3,356.39

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Solution

The fourth proportional to 13,744.64, 20,616.99 and 3,356.39 is: 5,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.64 : 20,616.99 = 3,356.39 : x
  2. Step 2: Convert to fraction form
    13,744.64/20,616.99 = 3,356.39/x
  3. Step 3: Cross multiply
    13,744.64x = 20,616.99 × 3,356.39
  4. Step 4: Simplify right side
    13,744.64x = 69,198,555.98
  5. Step 5: Solve for x
    x = 69,198,555.98/13,744.64
  6. Step 6: Final answer
    x = 5,034.59

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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.