Home / 13,213.13-19,819.69-4,448.04

Finding the Fourth Proportional to 13,213.13, 19,819.69 and 4,448.04

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Solution

The fourth proportional to 13,213.13, 19,819.69 and 4,448.04 is: 6,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.13 : 19,819.69 = 4,448.04 : x
  2. Step 2: Convert to fraction form
    13,213.13/19,819.69 = 4,448.04/x
  3. Step 3: Cross multiply
    13,213.13x = 19,819.69 × 4,448.04
  4. Step 4: Simplify right side
    13,213.13x = 88,158,744.21
  5. Step 5: Solve for x
    x = 88,158,744.21/13,213.13
  6. Step 6: Final answer
    x = 6,672.06

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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.