Home / 26,197.60-36,198.72-20,935.84

Finding the Fourth Proportional to 26,197.60, 36,198.72 and 20,935.84

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Solution

The fourth proportional to 26,197.60, 36,198.72 and 20,935.84 is: 28,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,197.60 : 36,198.72 = 20,935.84 : x
  2. Step 2: Convert to fraction form
    26,197.60/36,198.72 = 20,935.84/x
  3. Step 3: Cross multiply
    26,197.60x = 36,198.72 × 20,935.84
  4. Step 4: Simplify right side
    26,197.60x = 757,850,610.12
  5. Step 5: Solve for x
    x = 757,850,610.12/26,197.60
  6. Step 6: Final answer
    x = 28,928.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.