Home / 19,767.85-29,644.58-6,617.09

Finding the Fourth Proportional to 19,767.85, 29,644.58 and 6,617.09

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Solution

The fourth proportional to 19,767.85, 29,644.58 and 6,617.09 is: 9,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.85 : 29,644.58 = 6,617.09 : x
  2. Step 2: Convert to fraction form
    19,767.85/29,644.58 = 6,617.09/x
  3. Step 3: Cross multiply
    19,767.85x = 29,644.58 × 6,617.09
  4. Step 4: Simplify right side
    19,767.85x = 196,160,944.53
  5. Step 5: Solve for x
    x = 196,160,944.53/19,767.85
  6. Step 6: Final answer
    x = 9,923.23

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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.