Home / 18,524.66-27,789.84-7,997.63

Finding the Fourth Proportional to 18,524.66, 27,789.84 and 7,997.63

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Solution

The fourth proportional to 18,524.66, 27,789.84 and 7,997.63 is: 11,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.66 : 27,789.84 = 7,997.63 : x
  2. Step 2: Convert to fraction form
    18,524.66/27,789.84 = 7,997.63/x
  3. Step 3: Cross multiply
    18,524.66x = 27,789.84 × 7,997.63
  4. Step 4: Simplify right side
    18,524.66x = 222,252,719.13
  5. Step 5: Solve for x
    x = 222,252,719.13/18,524.66
  6. Step 6: Final answer
    x = 11,997.67

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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.