Home / 17,943.38-26,917.79-9,175.32

Finding the Fourth Proportional to 17,943.38, 26,917.79 and 9,175.32

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Solution

The fourth proportional to 17,943.38, 26,917.79 and 9,175.32 is: 13,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.38 : 26,917.79 = 9,175.32 : x
  2. Step 2: Convert to fraction form
    17,943.38/26,917.79 = 9,175.32/x
  3. Step 3: Cross multiply
    17,943.38x = 26,917.79 × 9,175.32
  4. Step 4: Simplify right side
    17,943.38x = 246,979,291.07
  5. Step 5: Solve for x
    x = 246,979,291.07/17,943.38
  6. Step 6: Final answer
    x = 13,764.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.