Home / 19,960.43-27,545.01-11,008.76

Finding the Fourth Proportional to 19,960.43, 27,545.01 and 11,008.76

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Solution

The fourth proportional to 19,960.43, 27,545.01 and 11,008.76 is: 15,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.43 : 27,545.01 = 11,008.76 : x
  2. Step 2: Convert to fraction form
    19,960.43/27,545.01 = 11,008.76/x
  3. Step 3: Cross multiply
    19,960.43x = 27,545.01 × 11,008.76
  4. Step 4: Simplify right side
    19,960.43x = 303,236,404.29
  5. Step 5: Solve for x
    x = 303,236,404.29/19,960.43
  6. Step 6: Final answer
    x = 15,191.88

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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.