Home / 19,816.94-27,350.16-12,265.69

Finding the Fourth Proportional to 19,816.94, 27,350.16 and 12,265.69

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Solution

The fourth proportional to 19,816.94, 27,350.16 and 12,265.69 is: 16,928.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.94 : 27,350.16 = 12,265.69 : x
  2. Step 2: Convert to fraction form
    19,816.94/27,350.16 = 12,265.69/x
  3. Step 3: Cross multiply
    19,816.94x = 27,350.16 × 12,265.69
  4. Step 4: Simplify right side
    19,816.94x = 335,468,584.01
  5. Step 5: Solve for x
    x = 335,468,584.01/19,816.94
  6. Step 6: Final answer
    x = 16,928.37

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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.