Home / 15,413.12-23,100.80-6,629.44

Finding the Fourth Proportional to 15,413.12, 23,100.80 and 6,629.44

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Solution

The fourth proportional to 15,413.12, 23,100.80 and 6,629.44 is: 9,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.12 : 23,100.80 = 6,629.44 : x
  2. Step 2: Convert to fraction form
    15,413.12/23,100.80 = 6,629.44/x
  3. Step 3: Cross multiply
    15,413.12x = 23,100.80 × 6,629.44
  4. Step 4: Simplify right side
    15,413.12x = 153,145,367.55
  5. Step 5: Solve for x
    x = 153,145,367.55/15,413.12
  6. Step 6: Final answer
    x = 9,936.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.