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Finding the Fourth Proportional to 18,797.76, 25,952.86 and 11,734.56

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Solution

The fourth proportional to 18,797.76, 25,952.86 and 11,734.56 is: 16,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.76 : 25,952.86 = 11,734.56 : x
  2. Step 2: Convert to fraction form
    18,797.76/25,952.86 = 11,734.56/x
  3. Step 3: Cross multiply
    18,797.76x = 25,952.86 × 11,734.56
  4. Step 4: Simplify right side
    18,797.76x = 304,545,392.84
  5. Step 5: Solve for x
    x = 304,545,392.84/18,797.76
  6. Step 6: Final answer
    x = 16,201.15

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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.