Home / 26,722.80-40,103.40-11,151.60

Finding the Fourth Proportional to 26,722.80, 40,103.40 and 11,151.60

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Solution

The fourth proportional to 26,722.80, 40,103.40 and 11,151.60 is: 16,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.80 : 40,103.40 = 11,151.60 : x
  2. Step 2: Convert to fraction form
    26,722.80/40,103.40 = 11,151.60/x
  3. Step 3: Cross multiply
    26,722.80x = 40,103.40 × 11,151.60
  4. Step 4: Simplify right side
    26,722.80x = 447,217,075.44
  5. Step 5: Solve for x
    x = 447,217,075.44/26,722.80
  6. Step 6: Final answer
    x = 16,735.41

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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.