Home / 33,065.21-45,628.72-18,917.75

Finding the Fourth Proportional to 33,065.21, 45,628.72 and 18,917.75

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Solution

The fourth proportional to 33,065.21, 45,628.72 and 18,917.75 is: 26,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,065.21 : 45,628.72 = 18,917.75 : x
  2. Step 2: Convert to fraction form
    33,065.21/45,628.72 = 18,917.75/x
  3. Step 3: Cross multiply
    33,065.21x = 45,628.72 × 18,917.75
  4. Step 4: Simplify right side
    33,065.21x = 863,192,784.56
  5. Step 5: Solve for x
    x = 863,192,784.56/33,065.21
  6. Step 6: Final answer
    x = 26,105.77

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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.