Home / 16,675.94-23,013.39-9,121.82

Finding the Fourth Proportional to 16,675.94, 23,013.39 and 9,121.82

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Solution

The fourth proportional to 16,675.94, 23,013.39 and 9,121.82 is: 12,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.94 : 23,013.39 = 9,121.82 : x
  2. Step 2: Convert to fraction form
    16,675.94/23,013.39 = 9,121.82/x
  3. Step 3: Cross multiply
    16,675.94x = 23,013.39 × 9,121.82
  4. Step 4: Simplify right side
    16,675.94x = 209,924,092.91
  5. Step 5: Solve for x
    x = 209,924,092.91/16,675.94
  6. Step 6: Final answer
    x = 12,588.44

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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.