Home / 16,431.39-22,694.18-11,975.04

Finding the Fourth Proportional to 16,431.39, 22,694.18 and 11,975.04

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Solution

The fourth proportional to 16,431.39, 22,694.18 and 11,975.04 is: 16,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.39 : 22,694.18 = 11,975.04 : x
  2. Step 2: Convert to fraction form
    16,431.39/22,694.18 = 11,975.04/x
  3. Step 3: Cross multiply
    16,431.39x = 22,694.18 × 11,975.04
  4. Step 4: Simplify right side
    16,431.39x = 271,763,653.39
  5. Step 5: Solve for x
    x = 271,763,653.39/16,431.39
  6. Step 6: Final answer
    x = 16,539.30

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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.