Home / 14,942.52-20,619.88-8,227.92

Finding the Fourth Proportional to 14,942.52, 20,619.88 and 8,227.92

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Solution

The fourth proportional to 14,942.52, 20,619.88 and 8,227.92 is: 11,354.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.52 : 20,619.88 = 8,227.92 : x
  2. Step 2: Convert to fraction form
    14,942.52/20,619.88 = 8,227.92/x
  3. Step 3: Cross multiply
    14,942.52x = 20,619.88 × 8,227.92
  4. Step 4: Simplify right side
    14,942.52x = 169,658,723.05
  5. Step 5: Solve for x
    x = 169,658,723.05/14,942.52
  6. Step 6: Final answer
    x = 11,354.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.