Home / 18,202.72-27,306.96-6,515.68

Finding the Fourth Proportional to 18,202.72, 27,306.96 and 6,515.68

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Solution

The fourth proportional to 18,202.72, 27,306.96 and 6,515.68 is: 9,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.72 : 27,306.96 = 6,515.68 : x
  2. Step 2: Convert to fraction form
    18,202.72/27,306.96 = 6,515.68/x
  3. Step 3: Cross multiply
    18,202.72x = 27,306.96 × 6,515.68
  4. Step 4: Simplify right side
    18,202.72x = 177,923,413.13
  5. Step 5: Solve for x
    x = 177,923,413.13/18,202.72
  6. Step 6: Final answer
    x = 9,774.55

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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.