Home / 13,718.52-20,550.37-6,312.82

Finding the Fourth Proportional to 13,718.52, 20,550.37 and 6,312.82

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Solution

The fourth proportional to 13,718.52, 20,550.37 and 6,312.82 is: 9,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.52 : 20,550.37 = 6,312.82 : x
  2. Step 2: Convert to fraction form
    13,718.52/20,550.37 = 6,312.82/x
  3. Step 3: Cross multiply
    13,718.52x = 20,550.37 × 6,312.82
  4. Step 4: Simplify right side
    13,718.52x = 129,730,755.18
  5. Step 5: Solve for x
    x = 129,730,755.18/13,718.52
  6. Step 6: Final answer
    x = 9,456.62

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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.