Home / 18,413.07-25,409.35-11,254.97

Finding the Fourth Proportional to 18,413.07, 25,409.35 and 11,254.97

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Solution

The fourth proportional to 18,413.07, 25,409.35 and 11,254.97 is: 15,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.07 : 25,409.35 = 11,254.97 : x
  2. Step 2: Convert to fraction form
    18,413.07/25,409.35 = 11,254.97/x
  3. Step 3: Cross multiply
    18,413.07x = 25,409.35 × 11,254.97
  4. Step 4: Simplify right side
    18,413.07x = 285,981,471.97
  5. Step 5: Solve for x
    x = 285,981,471.97/18,413.07
  6. Step 6: Final answer
    x = 15,531.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.