Home / 26,540.08-39,808.81-9,898.82

Finding the Fourth Proportional to 26,540.08, 39,808.81 and 9,898.82

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Solution

The fourth proportional to 26,540.08, 39,808.81 and 9,898.82 is: 14,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.08 : 39,808.81 = 9,898.82 : x
  2. Step 2: Convert to fraction form
    26,540.08/39,808.81 = 9,898.82/x
  3. Step 3: Cross multiply
    26,540.08x = 39,808.81 × 9,898.82
  4. Step 4: Simplify right side
    26,540.08x = 394,060,020.81
  5. Step 5: Solve for x
    x = 394,060,020.81/26,540.08
  6. Step 6: Final answer
    x = 14,847.73

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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.