Home / 14,946.27-20,625.69-8,231.79

Finding the Fourth Proportional to 14,946.27, 20,625.69 and 8,231.79

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Solution

The fourth proportional to 14,946.27, 20,625.69 and 8,231.79 is: 11,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.27 : 20,625.69 = 8,231.79 : x
  2. Step 2: Convert to fraction form
    14,946.27/20,625.69 = 8,231.79/x
  3. Step 3: Cross multiply
    14,946.27x = 20,625.69 × 8,231.79
  4. Step 4: Simplify right side
    14,946.27x = 169,786,348.69
  5. Step 5: Solve for x
    x = 169,786,348.69/14,946.27
  6. Step 6: Final answer
    x = 11,359.78

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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.