Home / 19,190.87-28,790.19-8,097.59

Finding the Fourth Proportional to 19,190.87, 28,790.19 and 8,097.59

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Solution

The fourth proportional to 19,190.87, 28,790.19 and 8,097.59 is: 12,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.87 : 28,790.19 = 8,097.59 : x
  2. Step 2: Convert to fraction form
    19,190.87/28,790.19 = 8,097.59/x
  3. Step 3: Cross multiply
    19,190.87x = 28,790.19 × 8,097.59
  4. Step 4: Simplify right side
    19,190.87x = 233,131,154.64
  5. Step 5: Solve for x
    x = 233,131,154.64/19,190.87
  6. Step 6: Final answer
    x = 12,148.02

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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.