Home / 19,649.24-27,081.78-17,115.56

Finding the Fourth Proportional to 19,649.24, 27,081.78 and 17,115.56

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Solution

The fourth proportional to 19,649.24, 27,081.78 and 17,115.56 is: 23,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.24 : 27,081.78 = 17,115.56 : x
  2. Step 2: Convert to fraction form
    19,649.24/27,081.78 = 17,115.56/x
  3. Step 3: Cross multiply
    19,649.24x = 27,081.78 × 17,115.56
  4. Step 4: Simplify right side
    19,649.24x = 463,519,830.50
  5. Step 5: Solve for x
    x = 463,519,830.50/19,649.24
  6. Step 6: Final answer
    x = 23,589.71

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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.