Home / 19,173.13-28,757.68-5,134.60

Finding the Fourth Proportional to 19,173.13, 28,757.68 and 5,134.60

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Solution

The fourth proportional to 19,173.13, 28,757.68 and 5,134.60 is: 7,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.13 : 28,757.68 = 5,134.60 : x
  2. Step 2: Convert to fraction form
    19,173.13/28,757.68 = 5,134.60/x
  3. Step 3: Cross multiply
    19,173.13x = 28,757.68 × 5,134.60
  4. Step 4: Simplify right side
    19,173.13x = 147,659,276.16
  5. Step 5: Solve for x
    x = 147,659,276.16/19,173.13
  6. Step 6: Final answer
    x = 7,701.37

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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.