Home / 25,943.22-38,914.29-8,413.07

Finding the Fourth Proportional to 25,943.22, 38,914.29 and 8,413.07

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Solution

The fourth proportional to 25,943.22, 38,914.29 and 8,413.07 is: 12,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.22 : 38,914.29 = 8,413.07 : x
  2. Step 2: Convert to fraction form
    25,943.22/38,914.29 = 8,413.07/x
  3. Step 3: Cross multiply
    25,943.22x = 38,914.29 × 8,413.07
  4. Step 4: Simplify right side
    25,943.22x = 327,388,451.20
  5. Step 5: Solve for x
    x = 327,388,451.20/25,943.22
  6. Step 6: Final answer
    x = 12,619.42

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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.