Home / 43,945.32-65,917.46-10,665.74

Finding the Fourth Proportional to 43,945.32, 65,917.46 and 10,665.74

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Solution

The fourth proportional to 43,945.32, 65,917.46 and 10,665.74 is: 15,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.32 : 65,917.46 = 10,665.74 : x
  2. Step 2: Convert to fraction form
    43,945.32/65,917.46 = 10,665.74/x
  3. Step 3: Cross multiply
    43,945.32x = 65,917.46 × 10,665.74
  4. Step 4: Simplify right side
    43,945.32x = 703,058,489.82
  5. Step 5: Solve for x
    x = 703,058,489.82/43,945.32
  6. Step 6: Final answer
    x = 15,998.48

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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.