Home / 17,090.31-25,636.38-5,402.64

Finding the Fourth Proportional to 17,090.31, 25,636.38 and 5,402.64

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Solution

The fourth proportional to 17,090.31, 25,636.38 and 5,402.64 is: 8,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.31 : 25,636.38 = 5,402.64 : x
  2. Step 2: Convert to fraction form
    17,090.31/25,636.38 = 5,402.64/x
  3. Step 3: Cross multiply
    17,090.31x = 25,636.38 × 5,402.64
  4. Step 4: Simplify right side
    17,090.31x = 138,504,132.04
  5. Step 5: Solve for x
    x = 138,504,132.04/17,090.31
  6. Step 6: Final answer
    x = 8,104.25

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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.