Home / 13,755.27-20,631.16-4,396.26

Finding the Fourth Proportional to 13,755.27, 20,631.16 and 4,396.26

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Solution

The fourth proportional to 13,755.27, 20,631.16 and 4,396.26 is: 6,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.27 : 20,631.16 = 4,396.26 : x
  2. Step 2: Convert to fraction form
    13,755.27/20,631.16 = 4,396.26/x
  3. Step 3: Cross multiply
    13,755.27x = 20,631.16 × 4,396.26
  4. Step 4: Simplify right side
    13,755.27x = 90,699,921.48
  5. Step 5: Solve for x
    x = 90,699,921.48/13,755.27
  6. Step 6: Final answer
    x = 6,593.83

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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.