Home / 21,731.82-32,604.96-6,942.84

Finding the Fourth Proportional to 21,731.82, 32,604.96 and 6,942.84

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Solution

The fourth proportional to 21,731.82, 32,604.96 and 6,942.84 is: 10,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731.82 : 32,604.96 = 6,942.84 : x
  2. Step 2: Convert to fraction form
    21,731.82/32,604.96 = 6,942.84/x
  3. Step 3: Cross multiply
    21,731.82x = 32,604.96 × 6,942.84
  4. Step 4: Simplify right side
    21,731.82x = 226,371,020.49
  5. Step 5: Solve for x
    x = 226,371,020.49/21,731.82
  6. Step 6: Final answer
    x = 10,416.57

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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.