Home / 18,213.04-27,311.12-5,730

Finding the Fourth Proportional to 18,213.04, 27,311.12 and 5,730

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Solution

The fourth proportional to 18,213.04, 27,311.12 and 5,730 is: 8,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.04 : 27,311.12 = 5,730 : x
  2. Step 2: Convert to fraction form
    18,213.04/27,311.12 = 5,730/x
  3. Step 3: Cross multiply
    18,213.04x = 27,311.12 × 5,730
  4. Step 4: Simplify right side
    18,213.04x = 156,492,717.60
  5. Step 5: Solve for x
    x = 156,492,717.60/18,213.04
  6. Step 6: Final answer
    x = 8,592.34

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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.