Home / 22,177.09-30,603.27-12,105.95

Finding the Fourth Proportional to 22,177.09, 30,603.27 and 12,105.95

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Solution

The fourth proportional to 22,177.09, 30,603.27 and 12,105.95 is: 16,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.09 : 30,603.27 = 12,105.95 : x
  2. Step 2: Convert to fraction form
    22,177.09/30,603.27 = 12,105.95/x
  3. Step 3: Cross multiply
    22,177.09x = 30,603.27 × 12,105.95
  4. Step 4: Simplify right side
    22,177.09x = 370,481,778.36
  5. Step 5: Solve for x
    x = 370,481,778.36/22,177.09
  6. Step 6: Final answer
    x = 16,705.61

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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.