Home / 16,078.97-22,189.05-9,369.20

Finding the Fourth Proportional to 16,078.97, 22,189.05 and 9,369.20

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Solution

The fourth proportional to 16,078.97, 22,189.05 and 9,369.20 is: 12,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.97 : 22,189.05 = 9,369.20 : x
  2. Step 2: Convert to fraction form
    16,078.97/22,189.05 = 9,369.20/x
  3. Step 3: Cross multiply
    16,078.97x = 22,189.05 × 9,369.20
  4. Step 4: Simplify right side
    16,078.97x = 207,893,702.73
  5. Step 5: Solve for x
    x = 207,893,702.73/16,078.97
  6. Step 6: Final answer
    x = 12,929.54

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1.5x scale

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.