Home / 13,964.77-20,950.09-4,103.22

Finding the Fourth Proportional to 13,964.77, 20,950.09 and 4,103.22

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Solution

The fourth proportional to 13,964.77, 20,950.09 and 4,103.22 is: 6,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.77 : 20,950.09 = 4,103.22 : x
  2. Step 2: Convert to fraction form
    13,964.77/20,950.09 = 4,103.22/x
  3. Step 3: Cross multiply
    13,964.77x = 20,950.09 × 4,103.22
  4. Step 4: Simplify right side
    13,964.77x = 85,962,828.29
  5. Step 5: Solve for x
    x = 85,962,828.29/13,964.77
  6. Step 6: Final answer
    x = 6,155.69

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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.