Home / 19,818.44-27,349.27-10,865.78

Finding the Fourth Proportional to 19,818.44, 27,349.27 and 10,865.78

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Solution

The fourth proportional to 19,818.44, 27,349.27 and 10,865.78 is: 14,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.44 : 27,349.27 = 10,865.78 : x
  2. Step 2: Convert to fraction form
    19,818.44/27,349.27 = 10,865.78/x
  3. Step 3: Cross multiply
    19,818.44x = 27,349.27 × 10,865.78
  4. Step 4: Simplify right side
    19,818.44x = 297,171,150.98
  5. Step 5: Solve for x
    x = 297,171,150.98/19,818.44
  6. Step 6: Final answer
    x = 14,994.68

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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.