Home / 16,891.28-23,277.48-11,914.64

Finding the Fourth Proportional to 16,891.28, 23,277.48 and 11,914.64

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Solution

The fourth proportional to 16,891.28, 23,277.48 and 11,914.64 is: 16,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.28 : 23,277.48 = 11,914.64 : x
  2. Step 2: Convert to fraction form
    16,891.28/23,277.48 = 11,914.64/x
  3. Step 3: Cross multiply
    16,891.28x = 23,277.48 × 11,914.64
  4. Step 4: Simplify right side
    16,891.28x = 277,342,794.31
  5. Step 5: Solve for x
    x = 277,342,794.31/16,891.28
  6. Step 6: Final answer
    x = 16,419.29

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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.