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Finding the Fourth Proportional to 17,422.56, 24,027.21 and 12,957.48

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Solution

The fourth proportional to 17,422.56, 24,027.21 and 12,957.48 is: 17,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,422.56 : 24,027.21 = 12,957.48 : x
  2. Step 2: Convert to fraction form
    17,422.56/24,027.21 = 12,957.48/x
  3. Step 3: Cross multiply
    17,422.56x = 24,027.21 × 12,957.48
  4. Step 4: Simplify right side
    17,422.56x = 311,332,093.03
  5. Step 5: Solve for x
    x = 311,332,093.03/17,422.56
  6. Step 6: Final answer
    x = 17,869.48

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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.