Home / 21,942.51-32,932.19-9,471.95

Finding the Fourth Proportional to 21,942.51, 32,932.19 and 9,471.95

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Solution

The fourth proportional to 21,942.51, 32,932.19 and 9,471.95 is: 14,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.51 : 32,932.19 = 9,471.95 : x
  2. Step 2: Convert to fraction form
    21,942.51/32,932.19 = 9,471.95/x
  3. Step 3: Cross multiply
    21,942.51x = 32,932.19 × 9,471.95
  4. Step 4: Simplify right side
    21,942.51x = 311,932,163.08
  5. Step 5: Solve for x
    x = 311,932,163.08/21,942.51
  6. Step 6: Final answer
    x = 14,215.88

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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.