Home / 26,929.80-40,375.26-11,338.92

Finding the Fourth Proportional to 26,929.80, 40,375.26 and 11,338.92

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Solution

The fourth proportional to 26,929.80, 40,375.26 and 11,338.92 is: 17,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.80 : 40,375.26 = 11,338.92 : x
  2. Step 2: Convert to fraction form
    26,929.80/40,375.26 = 11,338.92/x
  3. Step 3: Cross multiply
    26,929.80x = 40,375.26 × 11,338.92
  4. Step 4: Simplify right side
    26,929.80x = 457,811,843.12
  5. Step 5: Solve for x
    x = 457,811,843.12/26,929.80
  6. Step 6: Final answer
    x = 17,000.19

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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.