Home / 25,947.78-38,924.55-7,481.22

Finding the Fourth Proportional to 25,947.78, 38,924.55 and 7,481.22

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Solution

The fourth proportional to 25,947.78, 38,924.55 and 7,481.22 is: 11,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.78 : 38,924.55 = 7,481.22 : x
  2. Step 2: Convert to fraction form
    25,947.78/38,924.55 = 7,481.22/x
  3. Step 3: Cross multiply
    25,947.78x = 38,924.55 × 7,481.22
  4. Step 4: Simplify right side
    25,947.78x = 291,203,121.95
  5. Step 5: Solve for x
    x = 291,203,121.95/25,947.78
  6. Step 6: Final answer
    x = 11,222.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.