Home / 23,251.21-32,085.97-12,640.57

Finding the Fourth Proportional to 23,251.21, 32,085.97 and 12,640.57

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Solution

The fourth proportional to 23,251.21, 32,085.97 and 12,640.57 is: 17,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,251.21 : 32,085.97 = 12,640.57 : x
  2. Step 2: Convert to fraction form
    23,251.21/32,085.97 = 12,640.57/x
  3. Step 3: Cross multiply
    23,251.21x = 32,085.97 × 12,640.57
  4. Step 4: Simplify right side
    23,251.21x = 405,584,949.80
  5. Step 5: Solve for x
    x = 405,584,949.80/23,251.21
  6. Step 6: Final answer
    x = 17,443.61

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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.