Home / 18,790.26-25,871.54-15,951.75

Finding the Fourth Proportional to 18,790.26, 25,871.54 and 15,951.75

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Solution

The fourth proportional to 18,790.26, 25,871.54 and 15,951.75 is: 21,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.26 : 25,871.54 = 15,951.75 : x
  2. Step 2: Convert to fraction form
    18,790.26/25,871.54 = 15,951.75/x
  3. Step 3: Cross multiply
    18,790.26x = 25,871.54 × 15,951.75
  4. Step 4: Simplify right side
    18,790.26x = 412,696,258.44
  5. Step 5: Solve for x
    x = 412,696,258.44/18,790.26
  6. Step 6: Final answer
    x = 21,963.31

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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.