Home / 22,081.53-33,121.34-5,440.77

Finding the Fourth Proportional to 22,081.53, 33,121.34 and 5,440.77

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Solution

The fourth proportional to 22,081.53, 33,121.34 and 5,440.77 is: 8,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.53 : 33,121.34 = 5,440.77 : x
  2. Step 2: Convert to fraction form
    22,081.53/33,121.34 = 5,440.77/x
  3. Step 3: Cross multiply
    22,081.53x = 33,121.34 × 5,440.77
  4. Step 4: Simplify right side
    22,081.53x = 180,205,565.83
  5. Step 5: Solve for x
    x = 180,205,565.83/22,081.53
  6. Step 6: Final answer
    x = 8,160.92

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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.