Home / 17,168.32-23,691.36-9,997.12

Finding the Fourth Proportional to 17,168.32, 23,691.36 and 9,997.12

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Solution

The fourth proportional to 17,168.32, 23,691.36 and 9,997.12 is: 13,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.32 : 23,691.36 = 9,997.12 : x
  2. Step 2: Convert to fraction form
    17,168.32/23,691.36 = 9,997.12/x
  3. Step 3: Cross multiply
    17,168.32x = 23,691.36 × 9,997.12
  4. Step 4: Simplify right side
    17,168.32x = 236,845,368.88
  5. Step 5: Solve for x
    x = 236,845,368.88/17,168.32
  6. Step 6: Final answer
    x = 13,795.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.