Home / 16,643.43-22,936.37-11,919.51

Finding the Fourth Proportional to 16,643.43, 22,936.37 and 11,919.51

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Solution

The fourth proportional to 16,643.43, 22,936.37 and 11,919.51 is: 16,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.43 : 22,936.37 = 11,919.51 : x
  2. Step 2: Convert to fraction form
    16,643.43/22,936.37 = 11,919.51/x
  3. Step 3: Cross multiply
    16,643.43x = 22,936.37 × 11,919.51
  4. Step 4: Simplify right side
    16,643.43x = 273,390,231.98
  5. Step 5: Solve for x
    x = 273,390,231.98/16,643.43
  6. Step 6: Final answer
    x = 16,426.32

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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.