Home / 19,190.75-28,790.01-8,097.47

Finding the Fourth Proportional to 19,190.75, 28,790.01 and 8,097.47

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Solution

The fourth proportional to 19,190.75, 28,790.01 and 8,097.47 is: 12,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.75 : 28,790.01 = 8,097.47 : x
  2. Step 2: Convert to fraction form
    19,190.75/28,790.01 = 8,097.47/x
  3. Step 3: Cross multiply
    19,190.75x = 28,790.01 × 8,097.47
  4. Step 4: Simplify right side
    19,190.75x = 233,126,098.32
  5. Step 5: Solve for x
    x = 233,126,098.32/19,190.75
  6. Step 6: Final answer
    x = 12,147.84

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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.