Home / 43,425.75-65,107.85-16,749.12

Finding the Fourth Proportional to 43,425.75, 65,107.85 and 16,749.12

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Solution

The fourth proportional to 43,425.75, 65,107.85 and 16,749.12 is: 25,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,425.75 : 65,107.85 = 16,749.12 : x
  2. Step 2: Convert to fraction form
    43,425.75/65,107.85 = 16,749.12/x
  3. Step 3: Cross multiply
    43,425.75x = 65,107.85 × 16,749.12
  4. Step 4: Simplify right side
    43,425.75x = 1,090,499,108.85
  5. Step 5: Solve for x
    x = 1,090,499,108.85/43,425.75
  6. Step 6: Final answer
    x = 25,111.81

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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.