Home / 19,757.37-29,640.11-6,609.86

Finding the Fourth Proportional to 19,757.37, 29,640.11 and 6,609.86

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Solution

The fourth proportional to 19,757.37, 29,640.11 and 6,609.86 is: 9,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.37 : 29,640.11 = 6,609.86 : x
  2. Step 2: Convert to fraction form
    19,757.37/29,640.11 = 6,609.86/x
  3. Step 3: Cross multiply
    19,757.37x = 29,640.11 × 6,609.86
  4. Step 4: Simplify right side
    19,757.37x = 195,916,977.48
  5. Step 5: Solve for x
    x = 195,916,977.48/19,757.37
  6. Step 6: Final answer
    x = 9,916.15

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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.