Home / 26,942.64-40,413.96-8,222.78

Finding the Fourth Proportional to 26,942.64, 40,413.96 and 8,222.78

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Solution

The fourth proportional to 26,942.64, 40,413.96 and 8,222.78 is: 12,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.64 : 40,413.96 = 8,222.78 : x
  2. Step 2: Convert to fraction form
    26,942.64/40,413.96 = 8,222.78/x
  3. Step 3: Cross multiply
    26,942.64x = 40,413.96 × 8,222.78
  4. Step 4: Simplify right side
    26,942.64x = 332,314,899.94
  5. Step 5: Solve for x
    x = 332,314,899.94/26,942.64
  6. Step 6: Final answer
    x = 12,334.16

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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.