Home / 14,491.80-21,705.30-11,194.20

Finding the Fourth Proportional to 14,491.80, 21,705.30 and 11,194.20

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Solution

The fourth proportional to 14,491.80, 21,705.30 and 11,194.20 is: 16,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.80 : 21,705.30 = 11,194.20 : x
  2. Step 2: Convert to fraction form
    14,491.80/21,705.30 = 11,194.20/x
  3. Step 3: Cross multiply
    14,491.80x = 21,705.30 × 11,194.20
  4. Step 4: Simplify right side
    14,491.80x = 242,973,469.26
  5. Step 5: Solve for x
    x = 242,973,469.26/14,491.80
  6. Step 6: Final answer
    x = 16,766.27

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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.