Home / 19,869.27-29,785.35-6,712.44

Finding the Fourth Proportional to 19,869.27, 29,785.35 and 6,712.44

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Solution

The fourth proportional to 19,869.27, 29,785.35 and 6,712.44 is: 10,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.27 : 29,785.35 = 6,712.44 : x
  2. Step 2: Convert to fraction form
    19,869.27/29,785.35 = 6,712.44/x
  3. Step 3: Cross multiply
    19,869.27x = 29,785.35 × 6,712.44
  4. Step 4: Simplify right side
    19,869.27x = 199,932,374.75
  5. Step 5: Solve for x
    x = 199,932,374.75/19,869.27
  6. Step 6: Final answer
    x = 10,062.39

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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.