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Finding the Fourth Proportional to 21,954.80, 32,925.72 and 12,092.24

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Solution

The fourth proportional to 21,954.80, 32,925.72 and 12,092.24 is: 18,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.80 : 32,925.72 = 12,092.24 : x
  2. Step 2: Convert to fraction form
    21,954.80/32,925.72 = 12,092.24/x
  3. Step 3: Cross multiply
    21,954.80x = 32,925.72 × 12,092.24
  4. Step 4: Simplify right side
    21,954.80x = 398,145,708.41
  5. Step 5: Solve for x
    x = 398,145,708.41/21,954.80
  6. Step 6: Final answer
    x = 18,134.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.