Home / 13,371.98-18,447.54-8,063.85

Finding the Fourth Proportional to 13,371.98, 18,447.54 and 8,063.85

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Solution

The fourth proportional to 13,371.98, 18,447.54 and 8,063.85 is: 11,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.98 : 18,447.54 = 8,063.85 : x
  2. Step 2: Convert to fraction form
    13,371.98/18,447.54 = 8,063.85/x
  3. Step 3: Cross multiply
    13,371.98x = 18,447.54 × 8,063.85
  4. Step 4: Simplify right side
    13,371.98x = 148,758,195.43
  5. Step 5: Solve for x
    x = 148,758,195.43/13,371.98
  6. Step 6: Final answer
    x = 11,124.62

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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.