Home / 13,673.92-20,498.55-4,906.77

Finding the Fourth Proportional to 13,673.92, 20,498.55 and 4,906.77

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Solution

The fourth proportional to 13,673.92, 20,498.55 and 4,906.77 is: 7,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.92 : 20,498.55 = 4,906.77 : x
  2. Step 2: Convert to fraction form
    13,673.92/20,498.55 = 4,906.77/x
  3. Step 3: Cross multiply
    13,673.92x = 20,498.55 × 4,906.77
  4. Step 4: Simplify right side
    13,673.92x = 100,581,670.18
  5. Step 5: Solve for x
    x = 100,581,670.18/13,673.92
  6. Step 6: Final answer
    x = 7,355.73

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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.