Home / 21,137.36-29,103.16-17,944.03

Finding the Fourth Proportional to 21,137.36, 29,103.16 and 17,944.03

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Solution

The fourth proportional to 21,137.36, 29,103.16 and 17,944.03 is: 24,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137.36 : 29,103.16 = 17,944.03 : x
  2. Step 2: Convert to fraction form
    21,137.36/29,103.16 = 17,944.03/x
  3. Step 3: Cross multiply
    21,137.36x = 29,103.16 × 17,944.03
  4. Step 4: Simplify right side
    21,137.36x = 522,228,026.53
  5. Step 5: Solve for x
    x = 522,228,026.53/21,137.36
  6. Step 6: Final answer
    x = 24,706.40

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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.