Home / 26,413.12-39,619.38-6,422.73

Finding the Fourth Proportional to 26,413.12, 39,619.38 and 6,422.73

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Solution

The fourth proportional to 26,413.12, 39,619.38 and 6,422.73 is: 9,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.12 : 39,619.38 = 6,422.73 : x
  2. Step 2: Convert to fraction form
    26,413.12/39,619.38 = 6,422.73/x
  3. Step 3: Cross multiply
    26,413.12x = 39,619.38 × 6,422.73
  4. Step 4: Simplify right side
    26,413.12x = 254,464,580.51
  5. Step 5: Solve for x
    x = 254,464,580.51/26,413.12
  6. Step 6: Final answer
    x = 9,634.02

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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.