Home / 20,634.89-30,956.92-7,486.97

Finding the Fourth Proportional to 20,634.89, 30,956.92 and 7,486.97

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Solution

The fourth proportional to 20,634.89, 30,956.92 and 7,486.97 is: 11,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.89 : 30,956.92 = 7,486.97 : x
  2. Step 2: Convert to fraction form
    20,634.89/30,956.92 = 7,486.97/x
  3. Step 3: Cross multiply
    20,634.89x = 30,956.92 × 7,486.97
  4. Step 4: Simplify right side
    20,634.89x = 231,773,357.83
  5. Step 5: Solve for x
    x = 231,773,357.83/20,634.89
  6. Step 6: Final answer
    x = 11,232.11

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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.