Home / 14,789.88-20,409.15-8,502.27

Finding the Fourth Proportional to 14,789.88, 20,409.15 and 8,502.27

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Solution

The fourth proportional to 14,789.88, 20,409.15 and 8,502.27 is: 11,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.88 : 20,409.15 = 8,502.27 : x
  2. Step 2: Convert to fraction form
    14,789.88/20,409.15 = 8,502.27/x
  3. Step 3: Cross multiply
    14,789.88x = 20,409.15 × 8,502.27
  4. Step 4: Simplify right side
    14,789.88x = 173,524,103.77
  5. Step 5: Solve for x
    x = 173,524,103.77/14,789.88
  6. Step 6: Final answer
    x = 11,732.62

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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.