Home / 16,969.72-25,455.27-8,080.48

Finding the Fourth Proportional to 16,969.72, 25,455.27 and 8,080.48

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Solution

The fourth proportional to 16,969.72, 25,455.27 and 8,080.48 is: 12,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.72 : 25,455.27 = 8,080.48 : x
  2. Step 2: Convert to fraction form
    16,969.72/25,455.27 = 8,080.48/x
  3. Step 3: Cross multiply
    16,969.72x = 25,455.27 × 8,080.48
  4. Step 4: Simplify right side
    16,969.72x = 205,690,632.45
  5. Step 5: Solve for x
    x = 205,690,632.45/16,969.72
  6. Step 6: Final answer
    x = 12,121.04

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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.