Home / 18,125.70-27,187.23-4,976.94

Finding the Fourth Proportional to 18,125.70, 27,187.23 and 4,976.94

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Solution

The fourth proportional to 18,125.70, 27,187.23 and 4,976.94 is: 7,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.70 : 27,187.23 = 4,976.94 : x
  2. Step 2: Convert to fraction form
    18,125.70/27,187.23 = 4,976.94/x
  3. Step 3: Cross multiply
    18,125.70x = 27,187.23 × 4,976.94
  4. Step 4: Simplify right side
    18,125.70x = 135,309,212.48
  5. Step 5: Solve for x
    x = 135,309,212.48/18,125.70
  6. Step 6: Final answer
    x = 7,465.05

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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.