Home / 17,781.26-26,640.30-8,411.18

Finding the Fourth Proportional to 17,781.26, 26,640.30 and 8,411.18

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Solution

The fourth proportional to 17,781.26, 26,640.30 and 8,411.18 is: 12,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.26 : 26,640.30 = 8,411.18 : x
  2. Step 2: Convert to fraction form
    17,781.26/26,640.30 = 8,411.18/x
  3. Step 3: Cross multiply
    17,781.26x = 26,640.30 × 8,411.18
  4. Step 4: Simplify right side
    17,781.26x = 224,076,358.55
  5. Step 5: Solve for x
    x = 224,076,358.55/17,781.26
  6. Step 6: Final answer
    x = 12,601.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.