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Finding the Fourth Proportional to 18,486.36, 27,736.44 and 11,096.12

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Solution

The fourth proportional to 18,486.36, 27,736.44 and 11,096.12 is: 16,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.36 : 27,736.44 = 11,096.12 : x
  2. Step 2: Convert to fraction form
    18,486.36/27,736.44 = 11,096.12/x
  3. Step 3: Cross multiply
    18,486.36x = 27,736.44 × 11,096.12
  4. Step 4: Simplify right side
    18,486.36x = 307,766,866.61
  5. Step 5: Solve for x
    x = 307,766,866.61/18,486.36
  6. Step 6: Final answer
    x = 16,648.32

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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.