Home / 19,864.56-27,413.04-11,485.92

Finding the Fourth Proportional to 19,864.56, 27,413.04 and 11,485.92

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Solution

The fourth proportional to 19,864.56, 27,413.04 and 11,485.92 is: 15,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.56 : 27,413.04 = 11,485.92 : x
  2. Step 2: Convert to fraction form
    19,864.56/27,413.04 = 11,485.92/x
  3. Step 3: Cross multiply
    19,864.56x = 27,413.04 × 11,485.92
  4. Step 4: Simplify right side
    19,864.56x = 314,863,984.40
  5. Step 5: Solve for x
    x = 314,863,984.40/19,864.56
  6. Step 6: Final answer
    x = 15,850.54

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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.