Home / 19,581.38-27,022.30-11,197.88

Finding the Fourth Proportional to 19,581.38, 27,022.30 and 11,197.88

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Solution

The fourth proportional to 19,581.38, 27,022.30 and 11,197.88 is: 15,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.38 : 27,022.30 = 11,197.88 : x
  2. Step 2: Convert to fraction form
    19,581.38/27,022.30 = 11,197.88/x
  3. Step 3: Cross multiply
    19,581.38x = 27,022.30 × 11,197.88
  4. Step 4: Simplify right side
    19,581.38x = 302,592,309.62
  5. Step 5: Solve for x
    x = 302,592,309.62/19,581.38
  6. Step 6: Final answer
    x = 15,453.07

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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.