Home / 19,982.30-27,558.65-12,023.04

Finding the Fourth Proportional to 19,982.30, 27,558.65 and 12,023.04

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Solution

The fourth proportional to 19,982.30, 27,558.65 and 12,023.04 is: 16,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.30 : 27,558.65 = 12,023.04 : x
  2. Step 2: Convert to fraction form
    19,982.30/27,558.65 = 12,023.04/x
  3. Step 3: Cross multiply
    19,982.30x = 27,558.65 × 12,023.04
  4. Step 4: Simplify right side
    19,982.30x = 331,338,691.18
  5. Step 5: Solve for x
    x = 331,338,691.18/19,982.30
  6. Step 6: Final answer
    x = 16,581.61

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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.