Home / 14,083.15-21,124.68-3,553.20

Finding the Fourth Proportional to 14,083.15, 21,124.68 and 3,553.20

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Solution

The fourth proportional to 14,083.15, 21,124.68 and 3,553.20 is: 5,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.15 : 21,124.68 = 3,553.20 : x
  2. Step 2: Convert to fraction form
    14,083.15/21,124.68 = 3,553.20/x
  3. Step 3: Cross multiply
    14,083.15x = 21,124.68 × 3,553.20
  4. Step 4: Simplify right side
    14,083.15x = 75,060,212.98
  5. Step 5: Solve for x
    x = 75,060,212.98/14,083.15
  6. Step 6: Final answer
    x = 5,329.79

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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.