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Finding the Fourth Proportional to 17,914.22, 24,721.44 and 9,956.27

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Solution

The fourth proportional to 17,914.22, 24,721.44 and 9,956.27 is: 13,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.22 : 24,721.44 = 9,956.27 : x
  2. Step 2: Convert to fraction form
    17,914.22/24,721.44 = 9,956.27/x
  3. Step 3: Cross multiply
    17,914.22x = 24,721.44 × 9,956.27
  4. Step 4: Simplify right side
    17,914.22x = 246,133,402.67
  5. Step 5: Solve for x
    x = 246,133,402.67/17,914.22
  6. Step 6: Final answer
    x = 13,739.56

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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.