Home / 16,519.24-22,815.47-10,879.20

Finding the Fourth Proportional to 16,519.24, 22,815.47 and 10,879.20

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Solution

The fourth proportional to 16,519.24, 22,815.47 and 10,879.20 is: 15,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519.24 : 22,815.47 = 10,879.20 : x
  2. Step 2: Convert to fraction form
    16,519.24/22,815.47 = 10,879.20/x
  3. Step 3: Cross multiply
    16,519.24x = 22,815.47 × 10,879.20
  4. Step 4: Simplify right side
    16,519.24x = 248,213,892.75
  5. Step 5: Solve for x
    x = 248,213,892.75/16,519.24
  6. Step 6: Final answer
    x = 15,025.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.