Home / 19,322.20-28,975.20-6,171.04

Finding the Fourth Proportional to 19,322.20, 28,975.20 and 6,171.04

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Solution

The fourth proportional to 19,322.20, 28,975.20 and 6,171.04 is: 9,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.20 : 28,975.20 = 6,171.04 : x
  2. Step 2: Convert to fraction form
    19,322.20/28,975.20 = 6,171.04/x
  3. Step 3: Cross multiply
    19,322.20x = 28,975.20 × 6,171.04
  4. Step 4: Simplify right side
    19,322.20x = 178,807,118.21
  5. Step 5: Solve for x
    x = 178,807,118.21/19,322.20
  6. Step 6: Final answer
    x = 9,253.97

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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.