Home / 22,163.76-30,584.92-12,091.60

Finding the Fourth Proportional to 22,163.76, 30,584.92 and 12,091.60

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Solution

The fourth proportional to 22,163.76, 30,584.92 and 12,091.60 is: 16,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.76 : 30,584.92 = 12,091.60 : x
  2. Step 2: Convert to fraction form
    22,163.76/30,584.92 = 12,091.60/x
  3. Step 3: Cross multiply
    22,163.76x = 30,584.92 × 12,091.60
  4. Step 4: Simplify right side
    22,163.76x = 369,820,618.67
  5. Step 5: Solve for x
    x = 369,820,618.67/22,163.76
  6. Step 6: Final answer
    x = 16,685.82

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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.