Home / 19,413.66-29,120.41-5,562.66

Finding the Fourth Proportional to 19,413.66, 29,120.41 and 5,562.66

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Solution

The fourth proportional to 19,413.66, 29,120.41 and 5,562.66 is: 8,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.66 : 29,120.41 = 5,562.66 : x
  2. Step 2: Convert to fraction form
    19,413.66/29,120.41 = 5,562.66/x
  3. Step 3: Cross multiply
    19,413.66x = 29,120.41 × 5,562.66
  4. Step 4: Simplify right side
    19,413.66x = 161,986,939.89
  5. Step 5: Solve for x
    x = 161,986,939.89/19,413.66
  6. Step 6: Final answer
    x = 8,343.97

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1.5x scale

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.