Home / 17,129.20-25,674.60-7,266.80

Finding the Fourth Proportional to 17,129.20, 25,674.60 and 7,266.80

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Solution

The fourth proportional to 17,129.20, 25,674.60 and 7,266.80 is: 10,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.20 : 25,674.60 = 7,266.80 : x
  2. Step 2: Convert to fraction form
    17,129.20/25,674.60 = 7,266.80/x
  3. Step 3: Cross multiply
    17,129.20x = 25,674.60 × 7,266.80
  4. Step 4: Simplify right side
    17,129.20x = 186,572,183.28
  5. Step 5: Solve for x
    x = 186,572,183.28/17,129.20
  6. Step 6: Final answer
    x = 10,892.05

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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.