Home / 23,781.24-32,817.78-13,709.70

Finding the Fourth Proportional to 23,781.24, 32,817.78 and 13,709.70

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Solution

The fourth proportional to 23,781.24, 32,817.78 and 13,709.70 is: 18,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.24 : 32,817.78 = 13,709.70 : x
  2. Step 2: Convert to fraction form
    23,781.24/32,817.78 = 13,709.70/x
  3. Step 3: Cross multiply
    23,781.24x = 32,817.78 × 13,709.70
  4. Step 4: Simplify right side
    23,781.24x = 449,921,918.47
  5. Step 5: Solve for x
    x = 449,921,918.47/23,781.24
  6. Step 6: Final answer
    x = 18,919.20

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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.