Home / 25,413.39-35,072.33-15,344.28

Finding the Fourth Proportional to 25,413.39, 35,072.33 and 15,344.28

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Solution

The fourth proportional to 25,413.39, 35,072.33 and 15,344.28 is: 21,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,413.39 : 35,072.33 = 15,344.28 : x
  2. Step 2: Convert to fraction form
    25,413.39/35,072.33 = 15,344.28/x
  3. Step 3: Cross multiply
    25,413.39x = 35,072.33 × 15,344.28
  4. Step 4: Simplify right side
    25,413.39x = 538,159,575.05
  5. Step 5: Solve for x
    x = 538,159,575.05/25,413.39
  6. Step 6: Final answer
    x = 21,176.22

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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.