Home / 14,910.72-20,583.99-13,709.82

Finding the Fourth Proportional to 14,910.72, 20,583.99 and 13,709.82

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Solution

The fourth proportional to 14,910.72, 20,583.99 and 13,709.82 is: 18,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.72 : 20,583.99 = 13,709.82 : x
  2. Step 2: Convert to fraction form
    14,910.72/20,583.99 = 13,709.82/x
  3. Step 3: Cross multiply
    14,910.72x = 20,583.99 × 13,709.82
  4. Step 4: Simplify right side
    14,910.72x = 282,202,797.78
  5. Step 5: Solve for x
    x = 282,202,797.78/14,910.72
  6. Step 6: Final answer
    x = 18,926.17

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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.