Home / 19,772.54-27,285.45-10,819.44

Finding the Fourth Proportional to 19,772.54, 27,285.45 and 10,819.44

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Solution

The fourth proportional to 19,772.54, 27,285.45 and 10,819.44 is: 14,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.54 : 27,285.45 = 10,819.44 : x
  2. Step 2: Convert to fraction form
    19,772.54/27,285.45 = 10,819.44/x
  3. Step 3: Cross multiply
    19,772.54x = 27,285.45 × 10,819.44
  4. Step 4: Simplify right side
    19,772.54x = 295,213,350.90
  5. Step 5: Solve for x
    x = 295,213,350.90/19,772.54
  6. Step 6: Final answer
    x = 14,930.47

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1.5x scale

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.