Home / 18,453.73-27,663.60-7,357.75

Finding the Fourth Proportional to 18,453.73, 27,663.60 and 7,357.75

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Solution

The fourth proportional to 18,453.73, 27,663.60 and 7,357.75 is: 11,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.73 : 27,663.60 = 7,357.75 : x
  2. Step 2: Convert to fraction form
    18,453.73/27,663.60 = 7,357.75/x
  3. Step 3: Cross multiply
    18,453.73x = 27,663.60 × 7,357.75
  4. Step 4: Simplify right side
    18,453.73x = 203,541,852.90
  5. Step 5: Solve for x
    x = 203,541,852.90/18,453.73
  6. Step 6: Final answer
    x = 11,029.85

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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.