Home / 27,138.78-37,473.84-17,083.44

Finding the Fourth Proportional to 27,138.78, 37,473.84 and 17,083.44

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Solution

The fourth proportional to 27,138.78, 37,473.84 and 17,083.44 is: 23,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.78 : 37,473.84 = 17,083.44 : x
  2. Step 2: Convert to fraction form
    27,138.78/37,473.84 = 17,083.44/x
  3. Step 3: Cross multiply
    27,138.78x = 37,473.84 × 17,083.44
  4. Step 4: Simplify right side
    27,138.78x = 640,182,097.21
  5. Step 5: Solve for x
    x = 640,182,097.21/27,138.78
  6. Step 6: Final answer
    x = 23,589.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.