Home / 23,781.08-32,817.87-13,170.70

Finding the Fourth Proportional to 23,781.08, 32,817.87 and 13,170.70

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Solution

The fourth proportional to 23,781.08, 32,817.87 and 13,170.70 is: 18,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.08 : 32,817.87 = 13,170.70 : x
  2. Step 2: Convert to fraction form
    23,781.08/32,817.87 = 13,170.70/x
  3. Step 3: Cross multiply
    23,781.08x = 32,817.87 × 13,170.70
  4. Step 4: Simplify right side
    23,781.08x = 432,234,320.41
  5. Step 5: Solve for x
    x = 432,234,320.41/23,781.08
  6. Step 6: Final answer
    x = 18,175.55

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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.