Home / 19,408.31-29,064.66-11,067.74

Finding the Fourth Proportional to 19,408.31, 29,064.66 and 11,067.74

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Solution

The fourth proportional to 19,408.31, 29,064.66 and 11,067.74 is: 16,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.31 : 29,064.66 = 11,067.74 : x
  2. Step 2: Convert to fraction form
    19,408.31/29,064.66 = 11,067.74/x
  3. Step 3: Cross multiply
    19,408.31x = 29,064.66 × 11,067.74
  4. Step 4: Simplify right side
    19,408.31x = 321,679,954.75
  5. Step 5: Solve for x
    x = 321,679,954.75/19,408.31
  6. Step 6: Final answer
    x = 16,574.35

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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.