Home / 13,650.10-20,475.24-4,162.54

Finding the Fourth Proportional to 13,650.10, 20,475.24 and 4,162.54

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Solution

The fourth proportional to 13,650.10, 20,475.24 and 4,162.54 is: 6,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.10 : 20,475.24 = 4,162.54 : x
  2. Step 2: Convert to fraction form
    13,650.10/20,475.24 = 4,162.54/x
  3. Step 3: Cross multiply
    13,650.10x = 20,475.24 × 4,162.54
  4. Step 4: Simplify right side
    13,650.10x = 85,229,005.51
  5. Step 5: Solve for x
    x = 85,229,005.51/13,650.10
  6. Step 6: Final answer
    x = 6,243.84

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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.