Home / 20,033.08-27,647.30-11,649

Finding the Fourth Proportional to 20,033.08, 27,647.30 and 11,649

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Solution

The fourth proportional to 20,033.08, 27,647.30 and 11,649 is: 16,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.08 : 27,647.30 = 11,649 : x
  2. Step 2: Convert to fraction form
    20,033.08/27,647.30 = 11,649/x
  3. Step 3: Cross multiply
    20,033.08x = 27,647.30 × 11,649
  4. Step 4: Simplify right side
    20,033.08x = 322,063,397.70
  5. Step 5: Solve for x
    x = 322,063,397.70/20,033.08
  6. Step 6: Final answer
    x = 16,076.58

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Why These Related Problems?

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