Home / 21,604.19-32,408.03-6,614.60

Finding the Fourth Proportional to 21,604.19, 32,408.03 and 6,614.60

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Solution

The fourth proportional to 21,604.19, 32,408.03 and 6,614.60 is: 9,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.19 : 32,408.03 = 6,614.60 : x
  2. Step 2: Convert to fraction form
    21,604.19/32,408.03 = 6,614.60/x
  3. Step 3: Cross multiply
    21,604.19x = 32,408.03 × 6,614.60
  4. Step 4: Simplify right side
    21,604.19x = 214,366,155.24
  5. Step 5: Solve for x
    x = 214,366,155.24/21,604.19
  6. Step 6: Final answer
    x = 9,922.43

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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.