Home / 22,247.12-30,700.49-12,175.54

Finding the Fourth Proportional to 22,247.12, 30,700.49 and 12,175.54

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Solution

The fourth proportional to 22,247.12, 30,700.49 and 12,175.54 is: 16,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.12 : 30,700.49 = 12,175.54 : x
  2. Step 2: Convert to fraction form
    22,247.12/30,700.49 = 12,175.54/x
  3. Step 3: Cross multiply
    22,247.12x = 30,700.49 × 12,175.54
  4. Step 4: Simplify right side
    22,247.12x = 373,794,906.39
  5. Step 5: Solve for x
    x = 373,794,906.39/22,247.12
  6. Step 6: Final answer
    x = 16,801.94

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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.