Home / 16,790.20-23,160.27-12,080.86

Finding the Fourth Proportional to 16,790.20, 23,160.27 and 12,080.86

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Solution

The fourth proportional to 16,790.20, 23,160.27 and 12,080.86 is: 16,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.20 : 23,160.27 = 12,080.86 : x
  2. Step 2: Convert to fraction form
    16,790.20/23,160.27 = 12,080.86/x
  3. Step 3: Cross multiply
    16,790.20x = 23,160.27 × 12,080.86
  4. Step 4: Simplify right side
    16,790.20x = 279,795,979.43
  5. Step 5: Solve for x
    x = 279,795,979.43/16,790.20
  6. Step 6: Final answer
    x = 16,664.24

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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.