Home / 13,199.22-19,799.41-3,839.03

Finding the Fourth Proportional to 13,199.22, 19,799.41 and 3,839.03

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Solution

The fourth proportional to 13,199.22, 19,799.41 and 3,839.03 is: 5,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.22 : 19,799.41 = 3,839.03 : x
  2. Step 2: Convert to fraction form
    13,199.22/19,799.41 = 3,839.03/x
  3. Step 3: Cross multiply
    13,199.22x = 19,799.41 × 3,839.03
  4. Step 4: Simplify right side
    13,199.22x = 76,010,528.97
  5. Step 5: Solve for x
    x = 76,010,528.97/13,199.22
  6. Step 6: Final answer
    x = 5,758.71

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1.5x scale

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.