Home / 17,426.20-26,139.30-17,080.60

Finding the Fourth Proportional to 17,426.20, 26,139.30 and 17,080.60

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Solution

The fourth proportional to 17,426.20, 26,139.30 and 17,080.60 is: 25,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,426.20 : 26,139.30 = 17,080.60 : x
  2. Step 2: Convert to fraction form
    17,426.20/26,139.30 = 17,080.60/x
  3. Step 3: Cross multiply
    17,426.20x = 26,139.30 × 17,080.60
  4. Step 4: Simplify right side
    17,426.20x = 446,474,927.58
  5. Step 5: Solve for x
    x = 446,474,927.58/17,426.20
  6. Step 6: Final answer
    x = 25,620.90

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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.