Home / 13,171.88-19,832.44-11,622.08

Finding the Fourth Proportional to 13,171.88, 19,832.44 and 11,622.08

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Solution

The fourth proportional to 13,171.88, 19,832.44 and 11,622.08 is: 17,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.88 : 19,832.44 = 11,622.08 : x
  2. Step 2: Convert to fraction form
    13,171.88/19,832.44 = 11,622.08/x
  3. Step 3: Cross multiply
    13,171.88x = 19,832.44 × 11,622.08
  4. Step 4: Simplify right side
    13,171.88x = 230,494,204.28
  5. Step 5: Solve for x
    x = 230,494,204.28/13,171.88
  6. Step 6: Final answer
    x = 17,498.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.