Home / 16,786.33-23,176.49-10,415.50

Finding the Fourth Proportional to 16,786.33, 23,176.49 and 10,415.50

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Solution

The fourth proportional to 16,786.33, 23,176.49 and 10,415.50 is: 14,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.33 : 23,176.49 = 10,415.50 : x
  2. Step 2: Convert to fraction form
    16,786.33/23,176.49 = 10,415.50/x
  3. Step 3: Cross multiply
    16,786.33x = 23,176.49 × 10,415.50
  4. Step 4: Simplify right side
    16,786.33x = 241,394,621.58
  5. Step 5: Solve for x
    x = 241,394,621.58/16,786.33
  6. Step 6: Final answer
    x = 14,380.43

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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.