Home / 17,131.83-25,680.24-9,720.63

Finding the Fourth Proportional to 17,131.83, 25,680.24 and 9,720.63

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Solution

The fourth proportional to 17,131.83, 25,680.24 and 9,720.63 is: 14,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,131.83 : 25,680.24 = 9,720.63 : x
  2. Step 2: Convert to fraction form
    17,131.83/25,680.24 = 9,720.63/x
  3. Step 3: Cross multiply
    17,131.83x = 25,680.24 × 9,720.63
  4. Step 4: Simplify right side
    17,131.83x = 249,628,183.58
  5. Step 5: Solve for x
    x = 249,628,183.58/17,131.83
  6. Step 6: Final answer
    x = 14,571.02

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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.