Home / 26,179.88-39,269.23-6,458.60

Finding the Fourth Proportional to 26,179.88, 39,269.23 and 6,458.60

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Solution

The fourth proportional to 26,179.88, 39,269.23 and 6,458.60 is: 9,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.88 : 39,269.23 = 6,458.60 : x
  2. Step 2: Convert to fraction form
    26,179.88/39,269.23 = 6,458.60/x
  3. Step 3: Cross multiply
    26,179.88x = 39,269.23 × 6,458.60
  4. Step 4: Simplify right side
    26,179.88x = 253,624,330.90
  5. Step 5: Solve for x
    x = 253,624,330.90/26,179.88
  6. Step 6: Final answer
    x = 9,687.76

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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.