Home / 13,255.72-19,887.73-4,936.41

Finding the Fourth Proportional to 13,255.72, 19,887.73 and 4,936.41

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Solution

The fourth proportional to 13,255.72, 19,887.73 and 4,936.41 is: 7,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.72 : 19,887.73 = 4,936.41 : x
  2. Step 2: Convert to fraction form
    13,255.72/19,887.73 = 4,936.41/x
  3. Step 3: Cross multiply
    13,255.72x = 19,887.73 × 4,936.41
  4. Step 4: Simplify right side
    13,255.72x = 98,173,976.91
  5. Step 5: Solve for x
    x = 98,173,976.91/13,255.72
  6. Step 6: Final answer
    x = 7,406.16

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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.