Home / 15,229.72-22,845.79-5,230.45

Finding the Fourth Proportional to 15,229.72, 22,845.79 and 5,230.45

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Solution

The fourth proportional to 15,229.72, 22,845.79 and 5,230.45 is: 7,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.72 : 22,845.79 = 5,230.45 : x
  2. Step 2: Convert to fraction form
    15,229.72/22,845.79 = 5,230.45/x
  3. Step 3: Cross multiply
    15,229.72x = 22,845.79 × 5,230.45
  4. Step 4: Simplify right side
    15,229.72x = 119,493,762.31
  5. Step 5: Solve for x
    x = 119,493,762.31/15,229.72
  6. Step 6: Final answer
    x = 7,846.09

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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.