Home / 13,067.91-19,604.29-6,142.41

Finding the Fourth Proportional to 13,067.91, 19,604.29 and 6,142.41

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Solution

The fourth proportional to 13,067.91, 19,604.29 and 6,142.41 is: 9,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.91 : 19,604.29 = 6,142.41 : x
  2. Step 2: Convert to fraction form
    13,067.91/19,604.29 = 6,142.41/x
  3. Step 3: Cross multiply
    13,067.91x = 19,604.29 × 6,142.41
  4. Step 4: Simplify right side
    13,067.91x = 120,417,571.58
  5. Step 5: Solve for x
    x = 120,417,571.58/13,067.91
  6. Step 6: Final answer
    x = 9,214.75

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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.