Home / 18,846.11-28,272.81-7,167.53

Finding the Fourth Proportional to 18,846.11, 28,272.81 and 7,167.53

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Solution

The fourth proportional to 18,846.11, 28,272.81 and 7,167.53 is: 10,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.11 : 28,272.81 = 7,167.53 : x
  2. Step 2: Convert to fraction form
    18,846.11/28,272.81 = 7,167.53/x
  3. Step 3: Cross multiply
    18,846.11x = 28,272.81 × 7,167.53
  4. Step 4: Simplify right side
    18,846.11x = 202,646,213.86
  5. Step 5: Solve for x
    x = 202,646,213.86/18,846.11
  6. Step 6: Final answer
    x = 10,752.68

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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.