Home / 19,763.91-27,274.61-10,811.99

Finding the Fourth Proportional to 19,763.91, 27,274.61 and 10,811.99

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Solution

The fourth proportional to 19,763.91, 27,274.61 and 10,811.99 is: 14,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.91 : 27,274.61 = 10,811.99 : x
  2. Step 2: Convert to fraction form
    19,763.91/27,274.61 = 10,811.99/x
  3. Step 3: Cross multiply
    19,763.91x = 27,274.61 × 10,811.99
  4. Step 4: Simplify right side
    19,763.91x = 294,892,905.79
  5. Step 5: Solve for x
    x = 294,892,905.79/19,763.91
  6. Step 6: Final answer
    x = 14,920.78

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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.