Home / 14,509.62-20,022.26-8,135.73

Finding the Fourth Proportional to 14,509.62, 20,022.26 and 8,135.73

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Solution

The fourth proportional to 14,509.62, 20,022.26 and 8,135.73 is: 11,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.62 : 20,022.26 = 8,135.73 : x
  2. Step 2: Convert to fraction form
    14,509.62/20,022.26 = 8,135.73/x
  3. Step 3: Cross multiply
    14,509.62x = 20,022.26 × 8,135.73
  4. Step 4: Simplify right side
    14,509.62x = 162,895,660.67
  5. Step 5: Solve for x
    x = 162,895,660.67/14,509.62
  6. Step 6: Final answer
    x = 11,226.74

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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.