Home / 14,658.73-20,227.82-8,285.90

Finding the Fourth Proportional to 14,658.73, 20,227.82 and 8,285.90

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Solution

The fourth proportional to 14,658.73, 20,227.82 and 8,285.90 is: 11,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.73 : 20,227.82 = 8,285.90 : x
  2. Step 2: Convert to fraction form
    14,658.73/20,227.82 = 8,285.90/x
  3. Step 3: Cross multiply
    14,658.73x = 20,227.82 × 8,285.90
  4. Step 4: Simplify right side
    14,658.73x = 167,605,551.17
  5. Step 5: Solve for x
    x = 167,605,551.17/14,658.73
  6. Step 6: Final answer
    x = 11,433.84

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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.