Home / 25,413.89-35,049.51-20,099.48

Finding the Fourth Proportional to 25,413.89, 35,049.51 and 20,099.48

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Solution

The fourth proportional to 25,413.89, 35,049.51 and 20,099.48 is: 27,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,413.89 : 35,049.51 = 20,099.48 : x
  2. Step 2: Convert to fraction form
    25,413.89/35,049.51 = 20,099.48/x
  3. Step 3: Cross multiply
    25,413.89x = 35,049.51 × 20,099.48
  4. Step 4: Simplify right side
    25,413.89x = 704,476,750.01
  5. Step 5: Solve for x
    x = 704,476,750.01/25,413.89
  6. Step 6: Final answer
    x = 27,720.15

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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.