Home / 20,626.81-28,464.99-11,195.37

Finding the Fourth Proportional to 20,626.81, 28,464.99 and 11,195.37

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Solution

The fourth proportional to 20,626.81, 28,464.99 and 11,195.37 is: 15,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.81 : 28,464.99 = 11,195.37 : x
  2. Step 2: Convert to fraction form
    20,626.81/28,464.99 = 11,195.37/x
  3. Step 3: Cross multiply
    20,626.81x = 28,464.99 × 11,195.37
  4. Step 4: Simplify right side
    20,626.81x = 318,676,095.10
  5. Step 5: Solve for x
    x = 318,676,095.10/20,626.81
  6. Step 6: Final answer
    x = 15,449.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.