Home / 25,455.74-38,168.26-11,413.22

Finding the Fourth Proportional to 25,455.74, 38,168.26 and 11,413.22

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Solution

The fourth proportional to 25,455.74, 38,168.26 and 11,413.22 is: 17,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.74 : 38,168.26 = 11,413.22 : x
  2. Step 2: Convert to fraction form
    25,455.74/38,168.26 = 11,413.22/x
  3. Step 3: Cross multiply
    25,455.74x = 38,168.26 × 11,413.22
  4. Step 4: Simplify right side
    25,455.74x = 435,622,748.40
  5. Step 5: Solve for x
    x = 435,622,748.40/25,455.74
  6. Step 6: Final answer
    x = 17,112.95

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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.