Home / 23,429.70-32,333.22-12,819.78

Finding the Fourth Proportional to 23,429.70, 32,333.22 and 12,819.78

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Solution

The fourth proportional to 23,429.70, 32,333.22 and 12,819.78 is: 17,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.70 : 32,333.22 = 12,819.78 : x
  2. Step 2: Convert to fraction form
    23,429.70/32,333.22 = 12,819.78/x
  3. Step 3: Cross multiply
    23,429.70x = 32,333.22 × 12,819.78
  4. Step 4: Simplify right side
    23,429.70x = 414,504,767.09
  5. Step 5: Solve for x
    x = 414,504,767.09/23,429.70
  6. Step 6: Final answer
    x = 17,691.42

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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.