Home / 14,355.50-19,811.85-8,067.92

Finding the Fourth Proportional to 14,355.50, 19,811.85 and 8,067.92

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Solution

The fourth proportional to 14,355.50, 19,811.85 and 8,067.92 is: 11,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.50 : 19,811.85 = 8,067.92 : x
  2. Step 2: Convert to fraction form
    14,355.50/19,811.85 = 8,067.92/x
  3. Step 3: Cross multiply
    14,355.50x = 19,811.85 × 8,067.92
  4. Step 4: Simplify right side
    14,355.50x = 159,840,420.85
  5. Step 5: Solve for x
    x = 159,840,420.85/14,355.50
  6. Step 6: Final answer
    x = 11,134.44

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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.