Home / 18,282.09-25,229.76-11,212.41

Finding the Fourth Proportional to 18,282.09, 25,229.76 and 11,212.41

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Solution

The fourth proportional to 18,282.09, 25,229.76 and 11,212.41 is: 15,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.09 : 25,229.76 = 11,212.41 : x
  2. Step 2: Convert to fraction form
    18,282.09/25,229.76 = 11,212.41/x
  3. Step 3: Cross multiply
    18,282.09x = 25,229.76 × 11,212.41
  4. Step 4: Simplify right side
    18,282.09x = 282,886,413.32
  5. Step 5: Solve for x
    x = 282,886,413.32/18,282.09
  6. Step 6: Final answer
    x = 15,473.42

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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.