Home / 23,153.60-31,905.68-16,067.72

Finding the Fourth Proportional to 23,153.60, 31,905.68 and 16,067.72

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Solution

The fourth proportional to 23,153.60, 31,905.68 and 16,067.72 is: 22,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.60 : 31,905.68 = 16,067.72 : x
  2. Step 2: Convert to fraction form
    23,153.60/31,905.68 = 16,067.72/x
  3. Step 3: Cross multiply
    23,153.60x = 31,905.68 × 16,067.72
  4. Step 4: Simplify right side
    23,153.60x = 512,651,292.78
  5. Step 5: Solve for x
    x = 512,651,292.78/23,153.60
  6. Step 6: Final answer
    x = 22,141.33

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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.