Home / 43,625.52-65,431.26-12,453.48

Finding the Fourth Proportional to 43,625.52, 65,431.26 and 12,453.48

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Solution

The fourth proportional to 43,625.52, 65,431.26 and 12,453.48 is: 18,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,625.52 : 65,431.26 = 12,453.48 : x
  2. Step 2: Convert to fraction form
    43,625.52/65,431.26 = 12,453.48/x
  3. Step 3: Cross multiply
    43,625.52x = 65,431.26 × 12,453.48
  4. Step 4: Simplify right side
    43,625.52x = 814,846,887.78
  5. Step 5: Solve for x
    x = 814,846,887.78/43,625.52
  6. Step 6: Final answer
    x = 18,678.22

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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.