Home / 19,861.62-27,405.99-11,476.50

Finding the Fourth Proportional to 19,861.62, 27,405.99 and 11,476.50

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Solution

The fourth proportional to 19,861.62, 27,405.99 and 11,476.50 is: 15,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.62 : 27,405.99 = 11,476.50 : x
  2. Step 2: Convert to fraction form
    19,861.62/27,405.99 = 11,476.50/x
  3. Step 3: Cross multiply
    19,861.62x = 27,405.99 × 11,476.50
  4. Step 4: Simplify right side
    19,861.62x = 314,524,844.24
  5. Step 5: Solve for x
    x = 314,524,844.24/19,861.62
  6. Step 6: Final answer
    x = 15,835.81

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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.