Home / 13,910.54-20,862.99-4,550.85

Finding the Fourth Proportional to 13,910.54, 20,862.99 and 4,550.85

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Solution

The fourth proportional to 13,910.54, 20,862.99 and 4,550.85 is: 6,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.54 : 20,862.99 = 4,550.85 : x
  2. Step 2: Convert to fraction form
    13,910.54/20,862.99 = 4,550.85/x
  3. Step 3: Cross multiply
    13,910.54x = 20,862.99 × 4,550.85
  4. Step 4: Simplify right side
    13,910.54x = 94,944,338.04
  5. Step 5: Solve for x
    x = 94,944,338.04/13,910.54
  6. Step 6: Final answer
    x = 6,825.35

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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.