Home / 14,789.66-22,193.73-8,220.42

Finding the Fourth Proportional to 14,789.66, 22,193.73 and 8,220.42

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Solution

The fourth proportional to 14,789.66, 22,193.73 and 8,220.42 is: 12,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.66 : 22,193.73 = 8,220.42 : x
  2. Step 2: Convert to fraction form
    14,789.66/22,193.73 = 8,220.42/x
  3. Step 3: Cross multiply
    14,789.66x = 22,193.73 × 8,220.42
  4. Step 4: Simplify right side
    14,789.66x = 182,441,781.97
  5. Step 5: Solve for x
    x = 182,441,781.97/14,789.66
  6. Step 6: Final answer
    x = 12,335.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.