Home / 20,204.17-30,349.99-16,515.43

Finding the Fourth Proportional to 20,204.17, 30,349.99 and 16,515.43

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Solution

The fourth proportional to 20,204.17, 30,349.99 and 16,515.43 is: 24,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.17 : 30,349.99 = 16,515.43 : x
  2. Step 2: Convert to fraction form
    20,204.17/30,349.99 = 16,515.43/x
  3. Step 3: Cross multiply
    20,204.17x = 30,349.99 × 16,515.43
  4. Step 4: Simplify right side
    20,204.17x = 501,243,080.12
  5. Step 5: Solve for x
    x = 501,243,080.12/20,204.17
  6. Step 6: Final answer
    x = 24,808.90

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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.