Home / 20,251.49-27,946.97-11,298.46

Finding the Fourth Proportional to 20,251.49, 27,946.97 and 11,298.46

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Solution

The fourth proportional to 20,251.49, 27,946.97 and 11,298.46 is: 15,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.49 : 27,946.97 = 11,298.46 : x
  2. Step 2: Convert to fraction form
    20,251.49/27,946.97 = 11,298.46/x
  3. Step 3: Cross multiply
    20,251.49x = 27,946.97 × 11,298.46
  4. Step 4: Simplify right side
    20,251.49x = 315,757,526.44
  5. Step 5: Solve for x
    x = 315,757,526.44/20,251.49
  6. Step 6: Final answer
    x = 15,591.82

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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.