Home / 19,171.65-28,721.82-10,413.93

Finding the Fourth Proportional to 19,171.65, 28,721.82 and 10,413.93

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Solution

The fourth proportional to 19,171.65, 28,721.82 and 10,413.93 is: 15,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.65 : 28,721.82 = 10,413.93 : x
  2. Step 2: Convert to fraction form
    19,171.65/28,721.82 = 10,413.93/x
  3. Step 3: Cross multiply
    19,171.65x = 28,721.82 × 10,413.93
  4. Step 4: Simplify right side
    19,171.65x = 299,107,022.95
  5. Step 5: Solve for x
    x = 299,107,022.95/19,171.65
  6. Step 6: Final answer
    x = 15,601.53

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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.