Home / 13,173.36-19,734.45-11,771.25

Finding the Fourth Proportional to 13,173.36, 19,734.45 and 11,771.25

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Solution

The fourth proportional to 13,173.36, 19,734.45 and 11,771.25 is: 17,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.36 : 19,734.45 = 11,771.25 : x
  2. Step 2: Convert to fraction form
    13,173.36/19,734.45 = 11,771.25/x
  3. Step 3: Cross multiply
    13,173.36x = 19,734.45 × 11,771.25
  4. Step 4: Simplify right side
    13,173.36x = 232,299,144.56
  5. Step 5: Solve for x
    x = 232,299,144.56/13,173.36
  6. Step 6: Final answer
    x = 17,634.01

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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.