Home / 27,179.94-40,758.98-8,453.76

Finding the Fourth Proportional to 27,179.94, 40,758.98 and 8,453.76

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Solution

The fourth proportional to 27,179.94, 40,758.98 and 8,453.76 is: 12,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.94 : 40,758.98 = 8,453.76 : x
  2. Step 2: Convert to fraction form
    27,179.94/40,758.98 = 8,453.76/x
  3. Step 3: Cross multiply
    27,179.94x = 40,758.98 × 8,453.76
  4. Step 4: Simplify right side
    27,179.94x = 344,566,634.76
  5. Step 5: Solve for x
    x = 344,566,634.76/27,179.94
  6. Step 6: Final answer
    x = 12,677.24

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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.