Home / 15,951.85-21,976.70-11,467.85

Finding the Fourth Proportional to 15,951.85, 21,976.70 and 11,467.85

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Solution

The fourth proportional to 15,951.85, 21,976.70 and 11,467.85 is: 15,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.85 : 21,976.70 = 11,467.85 : x
  2. Step 2: Convert to fraction form
    15,951.85/21,976.70 = 11,467.85/x
  3. Step 3: Cross multiply
    15,951.85x = 21,976.70 × 11,467.85
  4. Step 4: Simplify right side
    15,951.85x = 252,025,331.87
  5. Step 5: Solve for x
    x = 252,025,331.87/15,951.85
  6. Step 6: Final answer
    x = 15,799.13

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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.