Home / 26,385.56-39,574.68-6,662.90

Finding the Fourth Proportional to 26,385.56, 39,574.68 and 6,662.90

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Solution

The fourth proportional to 26,385.56, 39,574.68 and 6,662.90 is: 9,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.56 : 39,574.68 = 6,662.90 : x
  2. Step 2: Convert to fraction form
    26,385.56/39,574.68 = 6,662.90/x
  3. Step 3: Cross multiply
    26,385.56x = 39,574.68 × 6,662.90
  4. Step 4: Simplify right side
    26,385.56x = 263,682,135.37
  5. Step 5: Solve for x
    x = 263,682,135.37/26,385.56
  6. Step 6: Final answer
    x = 9,993.43

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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.