Home / 26,169.35-39,192.80-19,131.66

Finding the Fourth Proportional to 26,169.35, 39,192.80 and 19,131.66

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Solution

The fourth proportional to 26,169.35, 39,192.80 and 19,131.66 is: 28,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.35 : 39,192.80 = 19,131.66 : x
  2. Step 2: Convert to fraction form
    26,169.35/39,192.80 = 19,131.66/x
  3. Step 3: Cross multiply
    26,169.35x = 39,192.80 × 19,131.66
  4. Step 4: Simplify right side
    26,169.35x = 749,823,228.39
  5. Step 5: Solve for x
    x = 749,823,228.39/26,169.35
  6. Step 6: Final answer
    x = 28,652.73

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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.