Home / 19,837.11-27,375.21-11,339.42

Finding the Fourth Proportional to 19,837.11, 27,375.21 and 11,339.42

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Solution

The fourth proportional to 19,837.11, 27,375.21 and 11,339.42 is: 15,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.11 : 27,375.21 = 11,339.42 : x
  2. Step 2: Convert to fraction form
    19,837.11/27,375.21 = 11,339.42/x
  3. Step 3: Cross multiply
    19,837.11x = 27,375.21 × 11,339.42
  4. Step 4: Simplify right side
    19,837.11x = 310,418,866.90
  5. Step 5: Solve for x
    x = 310,418,866.90/19,837.11
  6. Step 6: Final answer
    x = 15,648.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.