Home / 13,213.35-19,819.92-3,352.49

Finding the Fourth Proportional to 13,213.35, 19,819.92 and 3,352.49

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Solution

The fourth proportional to 13,213.35, 19,819.92 and 3,352.49 is: 5,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.35 : 19,819.92 = 3,352.49 : x
  2. Step 2: Convert to fraction form
    13,213.35/19,819.92 = 3,352.49/x
  3. Step 3: Cross multiply
    13,213.35x = 19,819.92 × 3,352.49
  4. Step 4: Simplify right side
    13,213.35x = 66,446,043.11
  5. Step 5: Solve for x
    x = 66,446,043.11/13,213.35
  6. Step 6: Final answer
    x = 5,028.70

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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.