Home / 17,977.20-26,946.36-9,200.04

Finding the Fourth Proportional to 17,977.20, 26,946.36 and 9,200.04

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Solution

The fourth proportional to 17,977.20, 26,946.36 and 9,200.04 is: 13,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.20 : 26,946.36 = 9,200.04 : x
  2. Step 2: Convert to fraction form
    17,977.20/26,946.36 = 9,200.04/x
  3. Step 3: Cross multiply
    17,977.20x = 26,946.36 × 9,200.04
  4. Step 4: Simplify right side
    17,977.20x = 247,907,589.85
  5. Step 5: Solve for x
    x = 247,907,589.85/17,977.20
  6. Step 6: Final answer
    x = 13,790.11

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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.