Home / 20,009.82-27,614.86-13,284.92

Finding the Fourth Proportional to 20,009.82, 27,614.86 and 13,284.92

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Solution

The fourth proportional to 20,009.82, 27,614.86 and 13,284.92 is: 18,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.82 : 27,614.86 = 13,284.92 : x
  2. Step 2: Convert to fraction form
    20,009.82/27,614.86 = 13,284.92/x
  3. Step 3: Cross multiply
    20,009.82x = 27,614.86 × 13,284.92
  4. Step 4: Simplify right side
    20,009.82x = 366,861,205.91
  5. Step 5: Solve for x
    x = 366,861,205.91/20,009.82
  6. Step 6: Final answer
    x = 18,334.06

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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.