Home / 19,863.52-27,413.56-11,363.95

Finding the Fourth Proportional to 19,863.52, 27,413.56 and 11,363.95

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Solution

The fourth proportional to 19,863.52, 27,413.56 and 11,363.95 is: 15,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.52 : 27,413.56 = 11,363.95 : x
  2. Step 2: Convert to fraction form
    19,863.52/27,413.56 = 11,363.95/x
  3. Step 3: Cross multiply
    19,863.52x = 27,413.56 × 11,363.95
  4. Step 4: Simplify right side
    19,863.52x = 311,526,373.63
  5. Step 5: Solve for x
    x = 311,526,373.63/19,863.52
  6. Step 6: Final answer
    x = 15,683.34

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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.