Home / 26,581.27-36,684.75-19,855.23

Finding the Fourth Proportional to 26,581.27, 36,684.75 and 19,855.23

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Solution

The fourth proportional to 26,581.27, 36,684.75 and 19,855.23 is: 27,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.27 : 36,684.75 = 19,855.23 : x
  2. Step 2: Convert to fraction form
    26,581.27/36,684.75 = 19,855.23/x
  3. Step 3: Cross multiply
    26,581.27x = 36,684.75 × 19,855.23
  4. Step 4: Simplify right side
    26,581.27x = 728,384,049.47
  5. Step 5: Solve for x
    x = 728,384,049.47/26,581.27
  6. Step 6: Final answer
    x = 27,402.15

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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.