Home / 18,415.80-27,619.82-5,936.92

Finding the Fourth Proportional to 18,415.80, 27,619.82 and 5,936.92

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Solution

The fourth proportional to 18,415.80, 27,619.82 and 5,936.92 is: 8,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415.80 : 27,619.82 = 5,936.92 : x
  2. Step 2: Convert to fraction form
    18,415.80/27,619.82 = 5,936.92/x
  3. Step 3: Cross multiply
    18,415.80x = 27,619.82 × 5,936.92
  4. Step 4: Simplify right side
    18,415.80x = 163,976,661.75
  5. Step 5: Solve for x
    x = 163,976,661.75/18,415.80
  6. Step 6: Final answer
    x = 8,904.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.