Home / 23,720.33-35,553.10-8,919.80

Finding the Fourth Proportional to 23,720.33, 35,553.10 and 8,919.80

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Solution

The fourth proportional to 23,720.33, 35,553.10 and 8,919.80 is: 13,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.33 : 35,553.10 = 8,919.80 : x
  2. Step 2: Convert to fraction form
    23,720.33/35,553.10 = 8,919.80/x
  3. Step 3: Cross multiply
    23,720.33x = 35,553.10 × 8,919.80
  4. Step 4: Simplify right side
    23,720.33x = 317,126,607.96
  5. Step 5: Solve for x
    x = 317,126,607.96/23,720.33
  6. Step 6: Final answer
    x = 13,369.40

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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.