Home / 20,194.88-27,882.48-18,063.76

Finding the Fourth Proportional to 20,194.88, 27,882.48 and 18,063.76

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Solution

The fourth proportional to 20,194.88, 27,882.48 and 18,063.76 is: 24,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.88 : 27,882.48 = 18,063.76 : x
  2. Step 2: Convert to fraction form
    20,194.88/27,882.48 = 18,063.76/x
  3. Step 3: Cross multiply
    20,194.88x = 27,882.48 × 18,063.76
  4. Step 4: Simplify right side
    20,194.88x = 503,662,426.92
  5. Step 5: Solve for x
    x = 503,662,426.92/20,194.88
  6. Step 6: Final answer
    x = 24,940.10

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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.