Home / 17,104.64-25,662.36-5,418.32

Finding the Fourth Proportional to 17,104.64, 25,662.36 and 5,418.32

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Solution

The fourth proportional to 17,104.64, 25,662.36 and 5,418.32 is: 8,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.64 : 25,662.36 = 5,418.32 : x
  2. Step 2: Convert to fraction form
    17,104.64/25,662.36 = 5,418.32/x
  3. Step 3: Cross multiply
    17,104.64x = 25,662.36 × 5,418.32
  4. Step 4: Simplify right side
    17,104.64x = 139,046,878.44
  5. Step 5: Solve for x
    x = 139,046,878.44/17,104.64
  6. Step 6: Final answer
    x = 8,129.19

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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.