Home / 16,682.97-23,021.50-9,127.80

Finding the Fourth Proportional to 16,682.97, 23,021.50 and 9,127.80

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Solution

The fourth proportional to 16,682.97, 23,021.50 and 9,127.80 is: 12,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.97 : 23,021.50 = 9,127.80 : x
  2. Step 2: Convert to fraction form
    16,682.97/23,021.50 = 9,127.80/x
  3. Step 3: Cross multiply
    16,682.97x = 23,021.50 × 9,127.80
  4. Step 4: Simplify right side
    16,682.97x = 210,135,647.70
  5. Step 5: Solve for x
    x = 210,135,647.70/16,682.97
  6. Step 6: Final answer
    x = 12,595.82

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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.