Home / 22,177.82-30,604.10-12,104.25

Finding the Fourth Proportional to 22,177.82, 30,604.10 and 12,104.25

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Solution

The fourth proportional to 22,177.82, 30,604.10 and 12,104.25 is: 16,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.82 : 30,604.10 = 12,104.25 : x
  2. Step 2: Convert to fraction form
    22,177.82/30,604.10 = 12,104.25/x
  3. Step 3: Cross multiply
    22,177.82x = 30,604.10 × 12,104.25
  4. Step 4: Simplify right side
    22,177.82x = 370,439,616.90
  5. Step 5: Solve for x
    x = 370,439,616.90/22,177.82
  6. Step 6: Final answer
    x = 16,703.16

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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.