Home / 14,996.24-20,694.92-8,281.68

Finding the Fourth Proportional to 14,996.24, 20,694.92 and 8,281.68

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Solution

The fourth proportional to 14,996.24, 20,694.92 and 8,281.68 is: 11,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.24 : 20,694.92 = 8,281.68 : x
  2. Step 2: Convert to fraction form
    14,996.24/20,694.92 = 8,281.68/x
  3. Step 3: Cross multiply
    14,996.24x = 20,694.92 × 8,281.68
  4. Step 4: Simplify right side
    14,996.24x = 171,388,705.07
  5. Step 5: Solve for x
    x = 171,388,705.07/14,996.24
  6. Step 6: Final answer
    x = 11,428.78

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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.