Home / 18,321.36-27,493.92-6,633.60

Finding the Fourth Proportional to 18,321.36, 27,493.92 and 6,633.60

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Solution

The fourth proportional to 18,321.36, 27,493.92 and 6,633.60 is: 9,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.36 : 27,493.92 = 6,633.60 : x
  2. Step 2: Convert to fraction form
    18,321.36/27,493.92 = 6,633.60/x
  3. Step 3: Cross multiply
    18,321.36x = 27,493.92 × 6,633.60
  4. Step 4: Simplify right side
    18,321.36x = 182,383,667.71
  5. Step 5: Solve for x
    x = 182,383,667.71/18,321.36
  6. Step 6: Final answer
    x = 9,954.70

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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.