Home / 22,110.75-30,512.84-12,174.75

Finding the Fourth Proportional to 22,110.75, 30,512.84 and 12,174.75

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Solution

The fourth proportional to 22,110.75, 30,512.84 and 12,174.75 is: 16,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.75 : 30,512.84 = 12,174.75 : x
  2. Step 2: Convert to fraction form
    22,110.75/30,512.84 = 12,174.75/x
  3. Step 3: Cross multiply
    22,110.75x = 30,512.84 × 12,174.75
  4. Step 4: Simplify right side
    22,110.75x = 371,486,137.92
  5. Step 5: Solve for x
    x = 371,486,137.92/22,110.75
  6. Step 6: Final answer
    x = 16,801.16

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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.