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Finding the Fourth Proportional to 22,326.67, 30,809.05 and 12,255.09

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Solution

The fourth proportional to 22,326.67, 30,809.05 and 12,255.09 is: 16,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,326.67 : 30,809.05 = 12,255.09 : x
  2. Step 2: Convert to fraction form
    22,326.67/30,809.05 = 12,255.09/x
  3. Step 3: Cross multiply
    22,326.67x = 30,809.05 × 12,255.09
  4. Step 4: Simplify right side
    22,326.67x = 377,567,680.56
  5. Step 5: Solve for x
    x = 377,567,680.56/22,326.67
  6. Step 6: Final answer
    x = 16,911.06

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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.