Home / 26,691.72-40,042.23-11,900.31

Finding the Fourth Proportional to 26,691.72, 40,042.23 and 11,900.31

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Solution

The fourth proportional to 26,691.72, 40,042.23 and 11,900.31 is: 17,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.72 : 40,042.23 = 11,900.31 : x
  2. Step 2: Convert to fraction form
    26,691.72/40,042.23 = 11,900.31/x
  3. Step 3: Cross multiply
    26,691.72x = 40,042.23 × 11,900.31
  4. Step 4: Simplify right side
    26,691.72x = 476,514,950.09
  5. Step 5: Solve for x
    x = 476,514,950.09/26,691.72
  6. Step 6: Final answer
    x = 17,852.54

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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.