Home / 26,198.16-39,295.08-8,662.20

Finding the Fourth Proportional to 26,198.16, 39,295.08 and 8,662.20

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Solution

The fourth proportional to 26,198.16, 39,295.08 and 8,662.20 is: 12,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.16 : 39,295.08 = 8,662.20 : x
  2. Step 2: Convert to fraction form
    26,198.16/39,295.08 = 8,662.20/x
  3. Step 3: Cross multiply
    26,198.16x = 39,295.08 × 8,662.20
  4. Step 4: Simplify right side
    26,198.16x = 340,381,841.98
  5. Step 5: Solve for x
    x = 340,381,841.98/26,198.16
  6. Step 6: Final answer
    x = 12,992.59

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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.