Home / 14,105.25-21,160.11-5,671.73

Finding the Fourth Proportional to 14,105.25, 21,160.11 and 5,671.73

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Solution

The fourth proportional to 14,105.25, 21,160.11 and 5,671.73 is: 8,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.25 : 21,160.11 = 5,671.73 : x
  2. Step 2: Convert to fraction form
    14,105.25/21,160.11 = 5,671.73/x
  3. Step 3: Cross multiply
    14,105.25x = 21,160.11 × 5,671.73
  4. Step 4: Simplify right side
    14,105.25x = 120,014,430.69
  5. Step 5: Solve for x
    x = 120,014,430.69/14,105.25
  6. Step 6: Final answer
    x = 8,508.49

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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.