Home / 19,864.41-27,413.37-10,912.50

Finding the Fourth Proportional to 19,864.41, 27,413.37 and 10,912.50

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Solution

The fourth proportional to 19,864.41, 27,413.37 and 10,912.50 is: 15,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.41 : 27,413.37 = 10,912.50 : x
  2. Step 2: Convert to fraction form
    19,864.41/27,413.37 = 10,912.50/x
  3. Step 3: Cross multiply
    19,864.41x = 27,413.37 × 10,912.50
  4. Step 4: Simplify right side
    19,864.41x = 299,148,400.13
  5. Step 5: Solve for x
    x = 299,148,400.13/19,864.41
  6. Step 6: Final answer
    x = 15,059.52

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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.