Home / 14,169.20-19,553.40-8,200.88

Finding the Fourth Proportional to 14,169.20, 19,553.40 and 8,200.88

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Solution

The fourth proportional to 14,169.20, 19,553.40 and 8,200.88 is: 11,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.20 : 19,553.40 = 8,200.88 : x
  2. Step 2: Convert to fraction form
    14,169.20/19,553.40 = 8,200.88/x
  3. Step 3: Cross multiply
    14,169.20x = 19,553.40 × 8,200.88
  4. Step 4: Simplify right side
    14,169.20x = 160,355,086.99
  5. Step 5: Solve for x
    x = 160,355,086.99/14,169.20
  6. Step 6: Final answer
    x = 11,317.16

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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.