Home / 22,733.20-31,372.79-12,661.64

Finding the Fourth Proportional to 22,733.20, 31,372.79 and 12,661.64

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Solution

The fourth proportional to 22,733.20, 31,372.79 and 12,661.64 is: 17,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.20 : 31,372.79 = 12,661.64 : x
  2. Step 2: Convert to fraction form
    22,733.20/31,372.79 = 12,661.64/x
  3. Step 3: Cross multiply
    22,733.20x = 31,372.79 × 12,661.64
  4. Step 4: Simplify right side
    22,733.20x = 397,230,972.78
  5. Step 5: Solve for x
    x = 397,230,972.78/22,733.20
  6. Step 6: Final answer
    x = 17,473.61

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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.