Home / 19,961.83-27,546.31-11,458.05

Finding the Fourth Proportional to 19,961.83, 27,546.31 and 11,458.05

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Solution

The fourth proportional to 19,961.83, 27,546.31 and 11,458.05 is: 15,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.83 : 27,546.31 = 11,458.05 : x
  2. Step 2: Convert to fraction form
    19,961.83/27,546.31 = 11,458.05/x
  3. Step 3: Cross multiply
    19,961.83x = 27,546.31 × 11,458.05
  4. Step 4: Simplify right side
    19,961.83x = 315,626,997.30
  5. Step 5: Solve for x
    x = 315,626,997.30/19,961.83
  6. Step 6: Final answer
    x = 15,811.53

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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.