Home / 18,197.75-27,285.54-7,091.44

Finding the Fourth Proportional to 18,197.75, 27,285.54 and 7,091.44

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Solution

The fourth proportional to 18,197.75, 27,285.54 and 7,091.44 is: 10,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.75 : 27,285.54 = 7,091.44 : x
  2. Step 2: Convert to fraction form
    18,197.75/27,285.54 = 7,091.44/x
  3. Step 3: Cross multiply
    18,197.75x = 27,285.54 × 7,091.44
  4. Step 4: Simplify right side
    18,197.75x = 193,493,769.78
  5. Step 5: Solve for x
    x = 193,493,769.78/18,197.75
  6. Step 6: Final answer
    x = 10,632.84

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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.