Home / 21,885.11-32,833.49-7,846.56

Finding the Fourth Proportional to 21,885.11, 32,833.49 and 7,846.56

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Solution

The fourth proportional to 21,885.11, 32,833.49 and 7,846.56 is: 11,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.11 : 32,833.49 = 7,846.56 : x
  2. Step 2: Convert to fraction form
    21,885.11/32,833.49 = 7,846.56/x
  3. Step 3: Cross multiply
    21,885.11x = 32,833.49 × 7,846.56
  4. Step 4: Simplify right side
    21,885.11x = 257,629,910.06
  5. Step 5: Solve for x
    x = 257,629,910.06/21,885.11
  6. Step 6: Final answer
    x = 11,771.93

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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.