Home / 16,040.63-22,137.09-8,967.58

Finding the Fourth Proportional to 16,040.63, 22,137.09 and 8,967.58

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Solution

The fourth proportional to 16,040.63, 22,137.09 and 8,967.58 is: 12,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.63 : 22,137.09 = 8,967.58 : x
  2. Step 2: Convert to fraction form
    16,040.63/22,137.09 = 8,967.58/x
  3. Step 3: Cross multiply
    16,040.63x = 22,137.09 × 8,967.58
  4. Step 4: Simplify right side
    16,040.63x = 198,516,125.54
  5. Step 5: Solve for x
    x = 198,516,125.54/16,040.63
  6. Step 6: Final answer
    x = 12,375.83

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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.