Home / 18,344.94-27,511.64-7,814.85

Finding the Fourth Proportional to 18,344.94, 27,511.64 and 7,814.85

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Solution

The fourth proportional to 18,344.94, 27,511.64 and 7,814.85 is: 11,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.94 : 27,511.64 = 7,814.85 : x
  2. Step 2: Convert to fraction form
    18,344.94/27,511.64 = 7,814.85/x
  3. Step 3: Cross multiply
    18,344.94x = 27,511.64 × 7,814.85
  4. Step 4: Simplify right side
    18,344.94x = 214,999,270.88
  5. Step 5: Solve for x
    x = 214,999,270.88/18,344.94
  6. Step 6: Final answer
    x = 11,719.82

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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.