Home / 22,235.06-30,685.11-12,163.27

Finding the Fourth Proportional to 22,235.06, 30,685.11 and 12,163.27

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Solution

The fourth proportional to 22,235.06, 30,685.11 and 12,163.27 is: 16,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.06 : 30,685.11 = 12,163.27 : x
  2. Step 2: Convert to fraction form
    22,235.06/30,685.11 = 12,163.27/x
  3. Step 3: Cross multiply
    22,235.06x = 30,685.11 × 12,163.27
  4. Step 4: Simplify right side
    22,235.06x = 373,231,063.67
  5. Step 5: Solve for x
    x = 373,231,063.67/22,235.06
  6. Step 6: Final answer
    x = 16,785.70

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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.