Home / 22,177.88-30,604.41-12,616.87

Finding the Fourth Proportional to 22,177.88, 30,604.41 and 12,616.87

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Solution

The fourth proportional to 22,177.88, 30,604.41 and 12,616.87 is: 17,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.88 : 30,604.41 = 12,616.87 : x
  2. Step 2: Convert to fraction form
    22,177.88/30,604.41 = 12,616.87/x
  3. Step 3: Cross multiply
    22,177.88x = 30,604.41 × 12,616.87
  4. Step 4: Simplify right side
    22,177.88x = 386,131,970.45
  5. Step 5: Solve for x
    x = 386,131,970.45/22,177.88
  6. Step 6: Final answer
    x = 17,410.68

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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.