Home / 19,042.38-28,662.87-17,231.22

Finding the Fourth Proportional to 19,042.38, 28,662.87 and 17,231.22

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Solution

The fourth proportional to 19,042.38, 28,662.87 and 17,231.22 is: 25,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.38 : 28,662.87 = 17,231.22 : x
  2. Step 2: Convert to fraction form
    19,042.38/28,662.87 = 17,231.22/x
  3. Step 3: Cross multiply
    19,042.38x = 28,662.87 × 17,231.22
  4. Step 4: Simplify right side
    19,042.38x = 493,896,218.80
  5. Step 5: Solve for x
    x = 493,896,218.80/19,042.38
  6. Step 6: Final answer
    x = 25,936.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.