Home / 19,453.12-29,179.84-8,359.04

Finding the Fourth Proportional to 19,453.12, 29,179.84 and 8,359.04

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Solution

The fourth proportional to 19,453.12, 29,179.84 and 8,359.04 is: 12,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.12 : 29,179.84 = 8,359.04 : x
  2. Step 2: Convert to fraction form
    19,453.12/29,179.84 = 8,359.04/x
  3. Step 3: Cross multiply
    19,453.12x = 29,179.84 × 8,359.04
  4. Step 4: Simplify right side
    19,453.12x = 243,915,449.75
  5. Step 5: Solve for x
    x = 243,915,449.75/19,453.12
  6. Step 6: Final answer
    x = 12,538.63

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Similar ratio
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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.