Home / 14,141.72-21,180.27-6,751.37

Finding the Fourth Proportional to 14,141.72, 21,180.27 and 6,751.37

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Solution

The fourth proportional to 14,141.72, 21,180.27 and 6,751.37 is: 10,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.72 : 21,180.27 = 6,751.37 : x
  2. Step 2: Convert to fraction form
    14,141.72/21,180.27 = 6,751.37/x
  3. Step 3: Cross multiply
    14,141.72x = 21,180.27 × 6,751.37
  4. Step 4: Simplify right side
    14,141.72x = 142,995,733.57
  5. Step 5: Solve for x
    x = 142,995,733.57/14,141.72
  6. Step 6: Final answer
    x = 10,111.63

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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.