Home / 16,120.92-24,160.88-8,731.60

Finding the Fourth Proportional to 16,120.92, 24,160.88 and 8,731.60

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Solution

The fourth proportional to 16,120.92, 24,160.88 and 8,731.60 is: 13,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.92 : 24,160.88 = 8,731.60 : x
  2. Step 2: Convert to fraction form
    16,120.92/24,160.88 = 8,731.60/x
  3. Step 3: Cross multiply
    16,120.92x = 24,160.88 × 8,731.60
  4. Step 4: Simplify right side
    16,120.92x = 210,963,101.23
  5. Step 5: Solve for x
    x = 210,963,101.23/16,120.92
  6. Step 6: Final answer
    x = 13,086.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.