Home / 13,588.43-20,384.66-4,822.61

Finding the Fourth Proportional to 13,588.43, 20,384.66 and 4,822.61

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Solution

The fourth proportional to 13,588.43, 20,384.66 and 4,822.61 is: 7,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.43 : 20,384.66 = 4,822.61 : x
  2. Step 2: Convert to fraction form
    13,588.43/20,384.66 = 4,822.61/x
  3. Step 3: Cross multiply
    13,588.43x = 20,384.66 × 4,822.61
  4. Step 4: Simplify right side
    13,588.43x = 98,307,175.30
  5. Step 5: Solve for x
    x = 98,307,175.30/13,588.43
  6. Step 6: Final answer
    x = 7,234.63

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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.