Home / 26,168.86-39,238.43-17,858.94

Finding the Fourth Proportional to 26,168.86, 39,238.43 and 17,858.94

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Solution

The fourth proportional to 26,168.86, 39,238.43 and 17,858.94 is: 26,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.86 : 39,238.43 = 17,858.94 : x
  2. Step 2: Convert to fraction form
    26,168.86/39,238.43 = 17,858.94/x
  3. Step 3: Cross multiply
    26,168.86x = 39,238.43 × 17,858.94
  4. Step 4: Simplify right side
    26,168.86x = 700,756,806.52
  5. Step 5: Solve for x
    x = 700,756,806.52/26,168.86
  6. Step 6: Final answer
    x = 26,778.27

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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.