Home / 13,238.36-19,862.69-5,837.60

Finding the Fourth Proportional to 13,238.36, 19,862.69 and 5,837.60

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Solution

The fourth proportional to 13,238.36, 19,862.69 and 5,837.60 is: 8,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.36 : 19,862.69 = 5,837.60 : x
  2. Step 2: Convert to fraction form
    13,238.36/19,862.69 = 5,837.60/x
  3. Step 3: Cross multiply
    13,238.36x = 19,862.69 × 5,837.60
  4. Step 4: Simplify right side
    13,238.36x = 115,950,310.64
  5. Step 5: Solve for x
    x = 115,950,310.64/13,238.36
  6. Step 6: Final answer
    x = 8,758.66

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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.