Home / 26,413.95-39,621.56-8,883.78

Finding the Fourth Proportional to 26,413.95, 39,621.56 and 8,883.78

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Solution

The fourth proportional to 26,413.95, 39,621.56 and 8,883.78 is: 13,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.95 : 39,621.56 = 8,883.78 : x
  2. Step 2: Convert to fraction form
    26,413.95/39,621.56 = 8,883.78/x
  3. Step 3: Cross multiply
    26,413.95x = 39,621.56 × 8,883.78
  4. Step 4: Simplify right side
    26,413.95x = 351,989,029.30
  5. Step 5: Solve for x
    x = 351,989,029.30/26,413.95
  6. Step 6: Final answer
    x = 13,325.88

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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.