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Finding the Fourth Proportional to 18,796.76, 25,951.48 and 11,733.56

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Solution

The fourth proportional to 18,796.76, 25,951.48 and 11,733.56 is: 16,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.76 : 25,951.48 = 11,733.56 : x
  2. Step 2: Convert to fraction form
    18,796.76/25,951.48 = 11,733.56/x
  3. Step 3: Cross multiply
    18,796.76x = 25,951.48 × 11,733.56
  4. Step 4: Simplify right side
    18,796.76x = 304,503,247.67
  5. Step 5: Solve for x
    x = 304,503,247.67/18,796.76
  6. Step 6: Final answer
    x = 16,199.77

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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.