Home / 19,754.19-29,631.31-8,067.41

Finding the Fourth Proportional to 19,754.19, 29,631.31 and 8,067.41

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Solution

The fourth proportional to 19,754.19, 29,631.31 and 8,067.41 is: 12,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.19 : 29,631.31 = 8,067.41 : x
  2. Step 2: Convert to fraction form
    19,754.19/29,631.31 = 8,067.41/x
  3. Step 3: Cross multiply
    19,754.19x = 29,631.31 × 8,067.41
  4. Step 4: Simplify right side
    19,754.19x = 239,047,926.61
  5. Step 5: Solve for x
    x = 239,047,926.61/19,754.19
  6. Step 6: Final answer
    x = 12,101.13

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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.