Home / 16,702.84-23,080.62-11,979.64

Finding the Fourth Proportional to 16,702.84, 23,080.62 and 11,979.64

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Solution

The fourth proportional to 16,702.84, 23,080.62 and 11,979.64 is: 16,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.84 : 23,080.62 = 11,979.64 : x
  2. Step 2: Convert to fraction form
    16,702.84/23,080.62 = 11,979.64/x
  3. Step 3: Cross multiply
    16,702.84x = 23,080.62 × 11,979.64
  4. Step 4: Simplify right side
    16,702.84x = 276,497,518.58
  5. Step 5: Solve for x
    x = 276,497,518.58/16,702.84
  6. Step 6: Final answer
    x = 16,553.92

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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.