Home / 19,819.57-27,351.00-10,867.23

Finding the Fourth Proportional to 19,819.57, 27,351.00 and 10,867.23

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Solution

The fourth proportional to 19,819.57, 27,351.00 and 10,867.23 is: 14,996.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.57 : 27,351.00 = 10,867.23 : x
  2. Step 2: Convert to fraction form
    19,819.57/27,351.00 = 10,867.23/x
  3. Step 3: Cross multiply
    19,819.57x = 27,351.00 × 10,867.23
  4. Step 4: Simplify right side
    19,819.57x = 297,229,469.42
  5. Step 5: Solve for x
    x = 297,229,469.42/19,819.57
  6. Step 6: Final answer
    x = 14,996.76

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1.5x scale

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.