Home / 26,617.86-39,936.20-11,825.43

Finding the Fourth Proportional to 26,617.86, 39,936.20 and 11,825.43

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Solution

The fourth proportional to 26,617.86, 39,936.20 and 11,825.43 is: 17,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617.86 : 39,936.20 = 11,825.43 : x
  2. Step 2: Convert to fraction form
    26,617.86/39,936.20 = 11,825.43/x
  3. Step 3: Cross multiply
    26,617.86x = 39,936.20 × 11,825.43
  4. Step 4: Simplify right side
    26,617.86x = 472,262,678.44
  5. Step 5: Solve for x
    x = 472,262,678.44/26,617.86
  6. Step 6: Final answer
    x = 17,742.32

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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.