Home / 27,154.35-37,474.50-15,221.54

Finding the Fourth Proportional to 27,154.35, 37,474.50 and 15,221.54

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Solution

The fourth proportional to 27,154.35, 37,474.50 and 15,221.54 is: 21,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.35 : 37,474.50 = 15,221.54 : x
  2. Step 2: Convert to fraction form
    27,154.35/37,474.50 = 15,221.54/x
  3. Step 3: Cross multiply
    27,154.35x = 37,474.50 × 15,221.54
  4. Step 4: Simplify right side
    27,154.35x = 570,419,413.36
  5. Step 5: Solve for x
    x = 570,419,413.36/27,154.35
  6. Step 6: Final answer
    x = 21,006.56

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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.