Home / 19,327.49-28,991.83-9,193.65

Finding the Fourth Proportional to 19,327.49, 28,991.83 and 9,193.65

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Solution

The fourth proportional to 19,327.49, 28,991.83 and 9,193.65 is: 13,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.49 : 28,991.83 = 9,193.65 : x
  2. Step 2: Convert to fraction form
    19,327.49/28,991.83 = 9,193.65/x
  3. Step 3: Cross multiply
    19,327.49x = 28,991.83 × 9,193.65
  4. Step 4: Simplify right side
    19,327.49x = 266,540,812.35
  5. Step 5: Solve for x
    x = 266,540,812.35/19,327.49
  6. Step 6: Final answer
    x = 13,790.76

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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.