Home / 13,302.57-19,951.97-3,943.58

Finding the Fourth Proportional to 13,302.57, 19,951.97 and 3,943.58

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Solution

The fourth proportional to 13,302.57, 19,951.97 and 3,943.58 is: 5,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.57 : 19,951.97 = 3,943.58 : x
  2. Step 2: Convert to fraction form
    13,302.57/19,951.97 = 3,943.58/x
  3. Step 3: Cross multiply
    13,302.57x = 19,951.97 × 3,943.58
  4. Step 4: Simplify right side
    13,302.57x = 78,682,249.59
  5. Step 5: Solve for x
    x = 78,682,249.59/13,302.57
  6. Step 6: Final answer
    x = 5,914.82

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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.