Home / 14,879.87-22,321.12-5,519.99

Finding the Fourth Proportional to 14,879.87, 22,321.12 and 5,519.99

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Solution

The fourth proportional to 14,879.87, 22,321.12 and 5,519.99 is: 8,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.87 : 22,321.12 = 5,519.99 : x
  2. Step 2: Convert to fraction form
    14,879.87/22,321.12 = 5,519.99/x
  3. Step 3: Cross multiply
    14,879.87x = 22,321.12 × 5,519.99
  4. Step 4: Simplify right side
    14,879.87x = 123,212,331.59
  5. Step 5: Solve for x
    x = 123,212,331.59/14,879.87
  6. Step 6: Final answer
    x = 8,280.47

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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.