Home / 19,405.27-29,111.61-6,254.11

Finding the Fourth Proportional to 19,405.27, 29,111.61 and 6,254.11

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Solution

The fourth proportional to 19,405.27, 29,111.61 and 6,254.11 is: 9,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.27 : 29,111.61 = 6,254.11 : x
  2. Step 2: Convert to fraction form
    19,405.27/29,111.61 = 6,254.11/x
  3. Step 3: Cross multiply
    19,405.27x = 29,111.61 × 6,254.11
  4. Step 4: Simplify right side
    19,405.27x = 182,067,211.22
  5. Step 5: Solve for x
    x = 182,067,211.22/19,405.27
  6. Step 6: Final answer
    x = 9,382.36

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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.