Home / 20,233.06-27,923.66-11,737.78

Finding the Fourth Proportional to 20,233.06, 27,923.66 and 11,737.78

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Solution

The fourth proportional to 20,233.06, 27,923.66 and 11,737.78 is: 16,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.06 : 27,923.66 = 11,737.78 : x
  2. Step 2: Convert to fraction form
    20,233.06/27,923.66 = 11,737.78/x
  3. Step 3: Cross multiply
    20,233.06x = 27,923.66 × 11,737.78
  4. Step 4: Simplify right side
    20,233.06x = 327,761,690.61
  5. Step 5: Solve for x
    x = 327,761,690.61/20,233.06
  6. Step 6: Final answer
    x = 16,199.32

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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.