Home / 19,864.83-27,413.08-10,912.13

Finding the Fourth Proportional to 19,864.83, 27,413.08 and 10,912.13

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Solution

The fourth proportional to 19,864.83, 27,413.08 and 10,912.13 is: 15,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.83 : 27,413.08 = 10,912.13 : x
  2. Step 2: Convert to fraction form
    19,864.83/27,413.08 = 10,912.13/x
  3. Step 3: Cross multiply
    19,864.83x = 27,413.08 × 10,912.13
  4. Step 4: Simplify right side
    19,864.83x = 299,135,092.66
  5. Step 5: Solve for x
    x = 299,135,092.66/19,864.83
  6. Step 6: Final answer
    x = 15,058.53

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1.5x scale

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.