Home / 22,413.20-30,942.63-13,462.88

Finding the Fourth Proportional to 22,413.20, 30,942.63 and 13,462.88

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Solution

The fourth proportional to 22,413.20, 30,942.63 and 13,462.88 is: 18,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.20 : 30,942.63 = 13,462.88 : x
  2. Step 2: Convert to fraction form
    22,413.20/30,942.63 = 13,462.88/x
  3. Step 3: Cross multiply
    22,413.20x = 30,942.63 × 13,462.88
  4. Step 4: Simplify right side
    22,413.20x = 416,576,759.86
  5. Step 5: Solve for x
    x = 416,576,759.86/22,413.20
  6. Step 6: Final answer
    x = 18,586.23

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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.