Home / 25,608.87-38,413.29-8,080.05

Finding the Fourth Proportional to 25,608.87, 38,413.29 and 8,080.05

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Solution

The fourth proportional to 25,608.87, 38,413.29 and 8,080.05 is: 12,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.87 : 38,413.29 = 8,080.05 : x
  2. Step 2: Convert to fraction form
    25,608.87/38,413.29 = 8,080.05/x
  3. Step 3: Cross multiply
    25,608.87x = 38,413.29 × 8,080.05
  4. Step 4: Simplify right side
    25,608.87x = 310,381,303.86
  5. Step 5: Solve for x
    x = 310,381,303.86/25,608.87
  6. Step 6: Final answer
    x = 12,120.07

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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.