Home / 19,617.85-29,422.62-6,467.09

Finding the Fourth Proportional to 19,617.85, 29,422.62 and 6,467.09

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Solution

The fourth proportional to 19,617.85, 29,422.62 and 6,467.09 is: 9,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.85 : 29,422.62 = 6,467.09 : x
  2. Step 2: Convert to fraction form
    19,617.85/29,422.62 = 6,467.09/x
  3. Step 3: Cross multiply
    19,617.85x = 29,422.62 × 6,467.09
  4. Step 4: Simplify right side
    19,617.85x = 190,278,805.13
  5. Step 5: Solve for x
    x = 190,278,805.13/19,617.85
  6. Step 6: Final answer
    x = 9,699.27

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1.5x scale

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.