Home / 23,647.20-35,481.26-12,399.86

Finding the Fourth Proportional to 23,647.20, 35,481.26 and 12,399.86

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Solution

The fourth proportional to 23,647.20, 35,481.26 and 12,399.86 is: 18,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,647.20 : 35,481.26 = 12,399.86 : x
  2. Step 2: Convert to fraction form
    23,647.20/35,481.26 = 12,399.86/x
  3. Step 3: Cross multiply
    23,647.20x = 35,481.26 × 12,399.86
  4. Step 4: Simplify right side
    23,647.20x = 439,962,417.22
  5. Step 5: Solve for x
    x = 439,962,417.22/23,647.20
  6. Step 6: Final answer
    x = 18,605.26

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1.5x scale

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.