Home / 14,620.26-20,175.95-7,905.87

Finding the Fourth Proportional to 14,620.26, 20,175.95 and 7,905.87

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Solution

The fourth proportional to 14,620.26, 20,175.95 and 7,905.87 is: 10,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.26 : 20,175.95 = 7,905.87 : x
  2. Step 2: Convert to fraction form
    14,620.26/20,175.95 = 7,905.87/x
  3. Step 3: Cross multiply
    14,620.26x = 20,175.95 × 7,905.87
  4. Step 4: Simplify right side
    14,620.26x = 159,508,398.30
  5. Step 5: Solve for x
    x = 159,508,398.30/14,620.26
  6. Step 6: Final answer
    x = 10,910.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.