Home / 19,866.12-27,413.88-10,914

Finding the Fourth Proportional to 19,866.12, 27,413.88 and 10,914

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Solution

The fourth proportional to 19,866.12, 27,413.88 and 10,914 is: 15,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.12 : 27,413.88 = 10,914 : x
  2. Step 2: Convert to fraction form
    19,866.12/27,413.88 = 10,914/x
  3. Step 3: Cross multiply
    19,866.12x = 27,413.88 × 10,914
  4. Step 4: Simplify right side
    19,866.12x = 299,195,086.32
  5. Step 5: Solve for x
    x = 299,195,086.32/19,866.12
  6. Step 6: Final answer
    x = 15,060.57

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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.