Home / 13,744.22-20,617.61-3,749.09

Finding the Fourth Proportional to 13,744.22, 20,617.61 and 3,749.09

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Solution

The fourth proportional to 13,744.22, 20,617.61 and 3,749.09 is: 5,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.22 : 20,617.61 = 3,749.09 : x
  2. Step 2: Convert to fraction form
    13,744.22/20,617.61 = 3,749.09/x
  3. Step 3: Cross multiply
    13,744.22x = 20,617.61 × 3,749.09
  4. Step 4: Simplify right side
    13,744.22x = 77,297,153.64
  5. Step 5: Solve for x
    x = 77,297,153.64/13,744.22
  6. Step 6: Final answer
    x = 5,623.98

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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.