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Finding the Fourth Proportional to 22,110.86, 30,512.67 and 12,174.86

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Solution

The fourth proportional to 22,110.86, 30,512.67 and 12,174.86 is: 16,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.86 : 30,512.67 = 12,174.86 : x
  2. Step 2: Convert to fraction form
    22,110.86/30,512.67 = 12,174.86/x
  3. Step 3: Cross multiply
    22,110.86x = 30,512.67 × 12,174.86
  4. Step 4: Simplify right side
    22,110.86x = 371,487,485.48
  5. Step 5: Solve for x
    x = 371,487,485.48/22,110.86
  6. Step 6: Final answer
    x = 16,801.13

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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.