Home / 25,928.73-35,761.37-19,976.85

Finding the Fourth Proportional to 25,928.73, 35,761.37 and 19,976.85

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Solution

The fourth proportional to 25,928.73, 35,761.37 and 19,976.85 is: 27,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,928.73 : 35,761.37 = 19,976.85 : x
  2. Step 2: Convert to fraction form
    25,928.73/35,761.37 = 19,976.85/x
  3. Step 3: Cross multiply
    25,928.73x = 35,761.37 × 19,976.85
  4. Step 4: Simplify right side
    25,928.73x = 714,399,424.40
  5. Step 5: Solve for x
    x = 714,399,424.40/25,928.73
  6. Step 6: Final answer
    x = 27,552.43

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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.