Home / 19,413.27-29,112.31-7,565.30

Finding the Fourth Proportional to 19,413.27, 29,112.31 and 7,565.30

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Solution

The fourth proportional to 19,413.27, 29,112.31 and 7,565.30 is: 11,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.27 : 29,112.31 = 7,565.30 : x
  2. Step 2: Convert to fraction form
    19,413.27/29,112.31 = 7,565.30/x
  3. Step 3: Cross multiply
    19,413.27x = 29,112.31 × 7,565.30
  4. Step 4: Simplify right side
    19,413.27x = 220,243,331.91
  5. Step 5: Solve for x
    x = 220,243,331.91/19,413.27
  6. Step 6: Final answer
    x = 11,344.99

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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.