Home / 20,240.29-27,934.97-11,749.46

Finding the Fourth Proportional to 20,240.29, 27,934.97 and 11,749.46

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Solution

The fourth proportional to 20,240.29, 27,934.97 and 11,749.46 is: 16,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.29 : 27,934.97 = 11,749.46 : x
  2. Step 2: Convert to fraction form
    20,240.29/27,934.97 = 11,749.46/x
  3. Step 3: Cross multiply
    20,240.29x = 27,934.97 × 11,749.46
  4. Step 4: Simplify right side
    20,240.29x = 328,220,837.42
  5. Step 5: Solve for x
    x = 328,220,837.42/20,240.29
  6. Step 6: Final answer
    x = 16,216.22

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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.