Home / 19,863.50-27,413.51-11,366.33

Finding the Fourth Proportional to 19,863.50, 27,413.51 and 11,366.33

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Solution

The fourth proportional to 19,863.50, 27,413.51 and 11,366.33 is: 15,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.50 : 27,413.51 = 11,366.33 : x
  2. Step 2: Convert to fraction form
    19,863.50/27,413.51 = 11,366.33/x
  3. Step 3: Cross multiply
    19,863.50x = 27,413.51 × 11,366.33
  4. Step 4: Simplify right side
    19,863.50x = 311,590,807.22
  5. Step 5: Solve for x
    x = 311,590,807.22/19,863.50
  6. Step 6: Final answer
    x = 15,686.61

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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.