Home / 19,550.76-29,326.12-7,861.24

Finding the Fourth Proportional to 19,550.76, 29,326.12 and 7,861.24

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Solution

The fourth proportional to 19,550.76, 29,326.12 and 7,861.24 is: 11,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.76 : 29,326.12 = 7,861.24 : x
  2. Step 2: Convert to fraction form
    19,550.76/29,326.12 = 7,861.24/x
  3. Step 3: Cross multiply
    19,550.76x = 29,326.12 × 7,861.24
  4. Step 4: Simplify right side
    19,550.76x = 230,539,667.59
  5. Step 5: Solve for x
    x = 230,539,667.59/19,550.76
  6. Step 6: Final answer
    x = 11,791.85

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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.