Home / 18,149.05-27,210.70-7,046.38

Finding the Fourth Proportional to 18,149.05, 27,210.70 and 7,046.38

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Solution

The fourth proportional to 18,149.05, 27,210.70 and 7,046.38 is: 10,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.05 : 27,210.70 = 7,046.38 : x
  2. Step 2: Convert to fraction form
    18,149.05/27,210.70 = 7,046.38/x
  3. Step 3: Cross multiply
    18,149.05x = 27,210.70 × 7,046.38
  4. Step 4: Simplify right side
    18,149.05x = 191,736,932.27
  5. Step 5: Solve for x
    x = 191,736,932.27/18,149.05
  6. Step 6: Final answer
    x = 10,564.57

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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.