Home / 19,413.10-29,121.90-6,266.80

Finding the Fourth Proportional to 19,413.10, 29,121.90 and 6,266.80

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Solution

The fourth proportional to 19,413.10, 29,121.90 and 6,266.80 is: 9,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.10 : 29,121.90 = 6,266.80 : x
  2. Step 2: Convert to fraction form
    19,413.10/29,121.90 = 6,266.80/x
  3. Step 3: Cross multiply
    19,413.10x = 29,121.90 × 6,266.80
  4. Step 4: Simplify right side
    19,413.10x = 182,501,122.92
  5. Step 5: Solve for x
    x = 182,501,122.92/19,413.10
  6. Step 6: Final answer
    x = 9,400.93

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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.