Home / 19,866.92-27,413.39-10,914.80

Finding the Fourth Proportional to 19,866.92, 27,413.39 and 10,914.80

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Solution

The fourth proportional to 19,866.92, 27,413.39 and 10,914.80 is: 15,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.92 : 27,413.39 = 10,914.80 : x
  2. Step 2: Convert to fraction form
    19,866.92/27,413.39 = 10,914.80/x
  3. Step 3: Cross multiply
    19,866.92x = 27,413.39 × 10,914.80
  4. Step 4: Simplify right side
    19,866.92x = 299,211,614.60
  5. Step 5: Solve for x
    x = 299,211,614.60/19,866.92
  6. Step 6: Final answer
    x = 15,060.80

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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.