Home / 19,976.15-29,967.75-6,825.44

Finding the Fourth Proportional to 19,976.15, 29,967.75 and 6,825.44

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Solution

The fourth proportional to 19,976.15, 29,967.75 and 6,825.44 is: 10,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.15 : 29,967.75 = 6,825.44 : x
  2. Step 2: Convert to fraction form
    19,976.15/29,967.75 = 6,825.44/x
  3. Step 3: Cross multiply
    19,976.15x = 29,967.75 × 6,825.44
  4. Step 4: Simplify right side
    19,976.15x = 204,542,929.72
  5. Step 5: Solve for x
    x = 204,542,929.72/19,976.15
  6. Step 6: Final answer
    x = 10,239.36

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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.