Home / 20,174.52-30,263.43-6,135.81

Finding the Fourth Proportional to 20,174.52, 30,263.43 and 6,135.81

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Solution

The fourth proportional to 20,174.52, 30,263.43 and 6,135.81 is: 9,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.52 : 30,263.43 = 6,135.81 : x
  2. Step 2: Convert to fraction form
    20,174.52/30,263.43 = 6,135.81/x
  3. Step 3: Cross multiply
    20,174.52x = 30,263.43 × 6,135.81
  4. Step 4: Simplify right side
    20,174.52x = 185,690,656.43
  5. Step 5: Solve for x
    x = 185,690,656.43/20,174.52
  6. Step 6: Final answer
    x = 9,204.22

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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.