Home / 19,772.41-27,285.28-10,819.32

Finding the Fourth Proportional to 19,772.41, 27,285.28 and 10,819.32

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Solution

The fourth proportional to 19,772.41, 27,285.28 and 10,819.32 is: 14,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.41 : 27,285.28 = 10,819.32 : x
  2. Step 2: Convert to fraction form
    19,772.41/27,285.28 = 10,819.32/x
  3. Step 3: Cross multiply
    19,772.41x = 27,285.28 × 10,819.32
  4. Step 4: Simplify right side
    19,772.41x = 295,208,175.61
  5. Step 5: Solve for x
    x = 295,208,175.61/19,772.41
  6. Step 6: Final answer
    x = 14,930.31

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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.