Home / 18,028.85-27,042.98-6,937.94

Finding the Fourth Proportional to 18,028.85, 27,042.98 and 6,937.94

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Solution

The fourth proportional to 18,028.85, 27,042.98 and 6,937.94 is: 10,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.85 : 27,042.98 = 6,937.94 : x
  2. Step 2: Convert to fraction form
    18,028.85/27,042.98 = 6,937.94/x
  3. Step 3: Cross multiply
    18,028.85x = 27,042.98 × 6,937.94
  4. Step 4: Simplify right side
    18,028.85x = 187,622,605.58
  5. Step 5: Solve for x
    x = 187,622,605.58/18,028.85
  6. Step 6: Final answer
    x = 10,406.80

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1.5x scale

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.