Home / 26,195.18-39,311.81-19,639.04

Finding the Fourth Proportional to 26,195.18, 39,311.81 and 19,639.04

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Solution

The fourth proportional to 26,195.18, 39,311.81 and 19,639.04 is: 29,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,195.18 : 39,311.81 = 19,639.04 : x
  2. Step 2: Convert to fraction form
    26,195.18/39,311.81 = 19,639.04/x
  3. Step 3: Cross multiply
    26,195.18x = 39,311.81 × 19,639.04
  4. Step 4: Simplify right side
    26,195.18x = 772,045,914.31
  5. Step 5: Solve for x
    x = 772,045,914.31/26,195.18
  6. Step 6: Final answer
    x = 29,472.83

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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.