Home / 16,078.22-22,187.92-8,908.60

Finding the Fourth Proportional to 16,078.22, 22,187.92 and 8,908.60

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Solution

The fourth proportional to 16,078.22, 22,187.92 and 8,908.60 is: 12,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.22 : 22,187.92 = 8,908.60 : x
  2. Step 2: Convert to fraction form
    16,078.22/22,187.92 = 8,908.60/x
  3. Step 3: Cross multiply
    16,078.22x = 22,187.92 × 8,908.60
  4. Step 4: Simplify right side
    16,078.22x = 197,663,304.11
  5. Step 5: Solve for x
    x = 197,663,304.11/16,078.22
  6. Step 6: Final answer
    x = 12,293.85

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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.