Home / 18,648.43-25,737.95-11,933.73

Finding the Fourth Proportional to 18,648.43, 25,737.95 and 11,933.73

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Solution

The fourth proportional to 18,648.43, 25,737.95 and 11,933.73 is: 16,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.43 : 25,737.95 = 11,933.73 : x
  2. Step 2: Convert to fraction form
    18,648.43/25,737.95 = 11,933.73/x
  3. Step 3: Cross multiply
    18,648.43x = 25,737.95 × 11,933.73
  4. Step 4: Simplify right side
    18,648.43x = 307,149,775.89
  5. Step 5: Solve for x
    x = 307,149,775.89/18,648.43
  6. Step 6: Final answer
    x = 16,470.55

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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.