Home / 26,178.48-39,185.10-16,805.97

Finding the Fourth Proportional to 26,178.48, 39,185.10 and 16,805.97

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Solution

The fourth proportional to 26,178.48, 39,185.10 and 16,805.97 is: 25,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.48 : 39,185.10 = 16,805.97 : x
  2. Step 2: Convert to fraction form
    26,178.48/39,185.10 = 16,805.97/x
  3. Step 3: Cross multiply
    26,178.48x = 39,185.10 × 16,805.97
  4. Step 4: Simplify right side
    26,178.48x = 658,543,615.05
  5. Step 5: Solve for x
    x = 658,543,615.05/26,178.48
  6. Step 6: Final answer
    x = 25,155.91

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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.