Home / 15,025.37-20,735.27-8,310.83

Finding the Fourth Proportional to 15,025.37, 20,735.27 and 8,310.83

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Solution

The fourth proportional to 15,025.37, 20,735.27 and 8,310.83 is: 11,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.37 : 20,735.27 = 8,310.83 : x
  2. Step 2: Convert to fraction form
    15,025.37/20,735.27 = 8,310.83/x
  3. Step 3: Cross multiply
    15,025.37x = 20,735.27 × 8,310.83
  4. Step 4: Simplify right side
    15,025.37x = 172,327,224.85
  5. Step 5: Solve for x
    x = 172,327,224.85/15,025.37
  6. Step 6: Final answer
    x = 11,469.08

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1.5x scale

Why These Related Problems?

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