Home / 13,827.68-20,733.18-5,508.98

Finding the Fourth Proportional to 13,827.68, 20,733.18 and 5,508.98

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Solution

The fourth proportional to 13,827.68, 20,733.18 and 5,508.98 is: 8,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.68 : 20,733.18 = 5,508.98 : x
  2. Step 2: Convert to fraction form
    13,827.68/20,733.18 = 5,508.98/x
  3. Step 3: Cross multiply
    13,827.68x = 20,733.18 × 5,508.98
  4. Step 4: Simplify right side
    13,827.68x = 114,218,673.96
  5. Step 5: Solve for x
    x = 114,218,673.96/13,827.68
  6. Step 6: Final answer
    x = 8,260.15

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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.