Home / 19,723.38-29,576.91-8,028.66

Finding the Fourth Proportional to 19,723.38, 29,576.91 and 8,028.66

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Solution

The fourth proportional to 19,723.38, 29,576.91 and 8,028.66 is: 12,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.38 : 29,576.91 = 8,028.66 : x
  2. Step 2: Convert to fraction form
    19,723.38/29,576.91 = 8,028.66/x
  3. Step 3: Cross multiply
    19,723.38x = 29,576.91 × 8,028.66
  4. Step 4: Simplify right side
    19,723.38x = 237,462,954.24
  5. Step 5: Solve for x
    x = 237,462,954.24/19,723.38
  6. Step 6: Final answer
    x = 12,039.67

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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.