Home / 13,616.77-20,426.16-3,755.96

Finding the Fourth Proportional to 13,616.77, 20,426.16 and 3,755.96

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Solution

The fourth proportional to 13,616.77, 20,426.16 and 3,755.96 is: 5,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.77 : 20,426.16 = 3,755.96 : x
  2. Step 2: Convert to fraction form
    13,616.77/20,426.16 = 3,755.96/x
  3. Step 3: Cross multiply
    13,616.77x = 20,426.16 × 3,755.96
  4. Step 4: Simplify right side
    13,616.77x = 76,719,839.91
  5. Step 5: Solve for x
    x = 76,719,839.91/13,616.77
  6. Step 6: Final answer
    x = 5,634.22

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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.