Home / 14,519.52-21,783.12-4,131.36

Finding the Fourth Proportional to 14,519.52, 21,783.12 and 4,131.36

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Solution

The fourth proportional to 14,519.52, 21,783.12 and 4,131.36 is: 6,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.52 : 21,783.12 = 4,131.36 : x
  2. Step 2: Convert to fraction form
    14,519.52/21,783.12 = 4,131.36/x
  3. Step 3: Cross multiply
    14,519.52x = 21,783.12 × 4,131.36
  4. Step 4: Simplify right side
    14,519.52x = 89,993,910.64
  5. Step 5: Solve for x
    x = 89,993,910.64/14,519.52
  6. Step 6: Final answer
    x = 6,198.13

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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.