Home / 17,400.28-26,080.26-8,020.68

Finding the Fourth Proportional to 17,400.28, 26,080.26 and 8,020.68

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Solution

The fourth proportional to 17,400.28, 26,080.26 and 8,020.68 is: 12,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.28 : 26,080.26 = 8,020.68 : x
  2. Step 2: Convert to fraction form
    17,400.28/26,080.26 = 8,020.68/x
  3. Step 3: Cross multiply
    17,400.28x = 26,080.26 × 8,020.68
  4. Step 4: Simplify right side
    17,400.28x = 209,181,419.78
  5. Step 5: Solve for x
    x = 209,181,419.78/17,400.28
  6. Step 6: Final answer
    x = 12,021.73

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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.