Home / 27,118.98-37,422.21-15,183.36

Finding the Fourth Proportional to 27,118.98, 37,422.21 and 15,183.36

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Solution

The fourth proportional to 27,118.98, 37,422.21 and 15,183.36 is: 20,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.98 : 37,422.21 = 15,183.36 : x
  2. Step 2: Convert to fraction form
    27,118.98/37,422.21 = 15,183.36/x
  3. Step 3: Cross multiply
    27,118.98x = 37,422.21 × 15,183.36
  4. Step 4: Simplify right side
    27,118.98x = 568,194,886.43
  5. Step 5: Solve for x
    x = 568,194,886.43/27,118.98
  6. Step 6: Final answer
    x = 20,951.93

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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.