Home / 19,957.35-27,553.97-12,413.94

Finding the Fourth Proportional to 19,957.35, 27,553.97 and 12,413.94

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Solution

The fourth proportional to 19,957.35, 27,553.97 and 12,413.94 is: 17,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.35 : 27,553.97 = 12,413.94 : x
  2. Step 2: Convert to fraction form
    19,957.35/27,553.97 = 12,413.94/x
  3. Step 3: Cross multiply
    19,957.35x = 27,553.97 × 12,413.94
  4. Step 4: Simplify right side
    19,957.35x = 342,053,413.04
  5. Step 5: Solve for x
    x = 342,053,413.04/19,957.35
  6. Step 6: Final answer
    x = 17,139.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.