Home / 20,366.88-30,524.81-11,006.52

Finding the Fourth Proportional to 20,366.88, 30,524.81 and 11,006.52

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Solution

The fourth proportional to 20,366.88, 30,524.81 and 11,006.52 is: 16,495.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.88 : 30,524.81 = 11,006.52 : x
  2. Step 2: Convert to fraction form
    20,366.88/30,524.81 = 11,006.52/x
  3. Step 3: Cross multiply
    20,366.88x = 30,524.81 × 11,006.52
  4. Step 4: Simplify right side
    20,366.88x = 335,971,876.73
  5. Step 5: Solve for x
    x = 335,971,876.73/20,366.88
  6. Step 6: Final answer
    x = 16,495.99

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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.