Home / 29,519.99-40,738.35-18,196.97

Finding the Fourth Proportional to 29,519.99, 40,738.35 and 18,196.97

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Solution

The fourth proportional to 29,519.99, 40,738.35 and 18,196.97 is: 25,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,519.99 : 40,738.35 = 18,196.97 : x
  2. Step 2: Convert to fraction form
    29,519.99/40,738.35 = 18,196.97/x
  3. Step 3: Cross multiply
    29,519.99x = 40,738.35 × 18,196.97
  4. Step 4: Simplify right side
    29,519.99x = 741,314,397.35
  5. Step 5: Solve for x
    x = 741,314,397.35/29,519.99
  6. Step 6: Final answer
    x = 25,112.29

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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.