Home / 22,175.36-30,601.94-12,103.78

Finding the Fourth Proportional to 22,175.36, 30,601.94 and 12,103.78

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Solution

The fourth proportional to 22,175.36, 30,601.94 and 12,103.78 is: 16,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.36 : 30,601.94 = 12,103.78 : x
  2. Step 2: Convert to fraction form
    22,175.36/30,601.94 = 12,103.78/x
  3. Step 3: Cross multiply
    22,175.36x = 30,601.94 × 12,103.78
  4. Step 4: Simplify right side
    22,175.36x = 370,399,149.33
  5. Step 5: Solve for x
    x = 370,399,149.33/22,175.36
  6. Step 6: Final answer
    x = 16,703.19

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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.