Home / 27,169.64-37,472.82-18,214.28

Finding the Fourth Proportional to 27,169.64, 37,472.82 and 18,214.28

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Solution

The fourth proportional to 27,169.64, 37,472.82 and 18,214.28 is: 25,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.64 : 37,472.82 = 18,214.28 : x
  2. Step 2: Convert to fraction form
    27,169.64/37,472.82 = 18,214.28/x
  3. Step 3: Cross multiply
    27,169.64x = 37,472.82 × 18,214.28
  4. Step 4: Simplify right side
    27,169.64x = 682,540,435.87
  5. Step 5: Solve for x
    x = 682,540,435.87/27,169.64
  6. Step 6: Final answer
    x = 25,121.44

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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.