Home / 17,747.70-26,585.10-12,207.30

Finding the Fourth Proportional to 17,747.70, 26,585.10 and 12,207.30

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Solution

The fourth proportional to 17,747.70, 26,585.10 and 12,207.30 is: 18,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.70 : 26,585.10 = 12,207.30 : x
  2. Step 2: Convert to fraction form
    17,747.70/26,585.10 = 12,207.30/x
  3. Step 3: Cross multiply
    17,747.70x = 26,585.10 × 12,207.30
  4. Step 4: Simplify right side
    17,747.70x = 324,532,291.23
  5. Step 5: Solve for x
    x = 324,532,291.23/17,747.70
  6. Step 6: Final answer
    x = 18,285.88

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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.