Home / 23,319.90-32,179.68-12,709.31

Finding the Fourth Proportional to 23,319.90, 32,179.68 and 12,709.31

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Solution

The fourth proportional to 23,319.90, 32,179.68 and 12,709.31 is: 17,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.90 : 32,179.68 = 12,709.31 : x
  2. Step 2: Convert to fraction form
    23,319.90/32,179.68 = 12,709.31/x
  3. Step 3: Cross multiply
    23,319.90x = 32,179.68 × 12,709.31
  4. Step 4: Simplify right side
    23,319.90x = 408,981,367.92
  5. Step 5: Solve for x
    x = 408,981,367.92/23,319.90
  6. Step 6: Final answer
    x = 17,537.87

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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.