Home / 13,725.82-20,588.73-3,337.54

Finding the Fourth Proportional to 13,725.82, 20,588.73 and 3,337.54

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Solution

The fourth proportional to 13,725.82, 20,588.73 and 3,337.54 is: 5,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.82 : 20,588.73 = 3,337.54 : x
  2. Step 2: Convert to fraction form
    13,725.82/20,588.73 = 3,337.54/x
  3. Step 3: Cross multiply
    13,725.82x = 20,588.73 × 3,337.54
  4. Step 4: Simplify right side
    13,725.82x = 68,715,709.92
  5. Step 5: Solve for x
    x = 68,715,709.92/13,725.82
  6. Step 6: Final answer
    x = 5,006.31

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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.