Home / 13,199.23-19,801.91-3,839.47

Finding the Fourth Proportional to 13,199.23, 19,801.91 and 3,839.47

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Solution

The fourth proportional to 13,199.23, 19,801.91 and 3,839.47 is: 5,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.23 : 19,801.91 = 3,839.47 : x
  2. Step 2: Convert to fraction form
    13,199.23/19,801.91 = 3,839.47/x
  3. Step 3: Cross multiply
    13,199.23x = 19,801.91 × 3,839.47
  4. Step 4: Simplify right side
    13,199.23x = 76,028,820.19
  5. Step 5: Solve for x
    x = 76,028,820.19/13,199.23
  6. Step 6: Final answer
    x = 5,760.10

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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.