Home / 20,063.68-27,679.14-12,101.48

Finding the Fourth Proportional to 20,063.68, 27,679.14 and 12,101.48

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Solution

The fourth proportional to 20,063.68, 27,679.14 and 12,101.48 is: 16,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.68 : 27,679.14 = 12,101.48 : x
  2. Step 2: Convert to fraction form
    20,063.68/27,679.14 = 12,101.48/x
  3. Step 3: Cross multiply
    20,063.68x = 27,679.14 × 12,101.48
  4. Step 4: Simplify right side
    20,063.68x = 334,958,559.13
  5. Step 5: Solve for x
    x = 334,958,559.13/20,063.68
  6. Step 6: Final answer
    x = 16,694.77

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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.