Home / 26,138.21-39,183.55-9,491.09

Finding the Fourth Proportional to 26,138.21, 39,183.55 and 9,491.09

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Solution

The fourth proportional to 26,138.21, 39,183.55 and 9,491.09 is: 14,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.21 : 39,183.55 = 9,491.09 : x
  2. Step 2: Convert to fraction form
    26,138.21/39,183.55 = 9,491.09/x
  3. Step 3: Cross multiply
    26,138.21x = 39,183.55 × 9,491.09
  4. Step 4: Simplify right side
    26,138.21x = 371,894,379.92
  5. Step 5: Solve for x
    x = 371,894,379.92/26,138.21
  6. Step 6: Final answer
    x = 14,228.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.