Home / 27,111.27-37,413.54-15,174.60

Finding the Fourth Proportional to 27,111.27, 37,413.54 and 15,174.60

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Solution

The fourth proportional to 27,111.27, 37,413.54 and 15,174.60 is: 20,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.27 : 37,413.54 = 15,174.60 : x
  2. Step 2: Convert to fraction form
    27,111.27/37,413.54 = 15,174.60/x
  3. Step 3: Cross multiply
    27,111.27x = 37,413.54 × 15,174.60
  4. Step 4: Simplify right side
    27,111.27x = 567,735,428.21
  5. Step 5: Solve for x
    x = 567,735,428.21/27,111.27
  6. Step 6: Final answer
    x = 20,940.94

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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.