Home / 26,451.24-39,670.72-7,727.12

Finding the Fourth Proportional to 26,451.24, 39,670.72 and 7,727.12

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Solution

The fourth proportional to 26,451.24, 39,670.72 and 7,727.12 is: 11,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.24 : 39,670.72 = 7,727.12 : x
  2. Step 2: Convert to fraction form
    26,451.24/39,670.72 = 7,727.12/x
  3. Step 3: Cross multiply
    26,451.24x = 39,670.72 × 7,727.12
  4. Step 4: Simplify right side
    26,451.24x = 306,540,413.93
  5. Step 5: Solve for x
    x = 306,540,413.93/26,451.24
  6. Step 6: Final answer
    x = 11,588.89

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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.