Home / 20,063.82-27,679.50-12,101.52

Finding the Fourth Proportional to 20,063.82, 27,679.50 and 12,101.52

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Solution

The fourth proportional to 20,063.82, 27,679.50 and 12,101.52 is: 16,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.82 : 27,679.50 = 12,101.52 : x
  2. Step 2: Convert to fraction form
    20,063.82/27,679.50 = 12,101.52/x
  3. Step 3: Cross multiply
    20,063.82x = 27,679.50 × 12,101.52
  4. Step 4: Simplify right side
    20,063.82x = 334,964,022.84
  5. Step 5: Solve for x
    x = 334,964,022.84/20,063.82
  6. Step 6: Final answer
    x = 16,694.93

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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.