Home / 14,491.29-19,996.97-8,116.80

Finding the Fourth Proportional to 14,491.29, 19,996.97 and 8,116.80

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Solution

The fourth proportional to 14,491.29, 19,996.97 and 8,116.80 is: 11,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.29 : 19,996.97 = 8,116.80 : x
  2. Step 2: Convert to fraction form
    14,491.29/19,996.97 = 8,116.80/x
  3. Step 3: Cross multiply
    14,491.29x = 19,996.97 × 8,116.80
  4. Step 4: Simplify right side
    14,491.29x = 162,311,406.10
  5. Step 5: Solve for x
    x = 162,311,406.10/14,491.29
  6. Step 6: Final answer
    x = 11,200.62

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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.