Home / 19,844.80-29,772.16-7,368.37

Finding the Fourth Proportional to 19,844.80, 29,772.16 and 7,368.37

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Solution

The fourth proportional to 19,844.80, 29,772.16 and 7,368.37 is: 11,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.80 : 29,772.16 = 7,368.37 : x
  2. Step 2: Convert to fraction form
    19,844.80/29,772.16 = 7,368.37/x
  3. Step 3: Cross multiply
    19,844.80x = 29,772.16 × 7,368.37
  4. Step 4: Simplify right side
    19,844.80x = 219,372,197.73
  5. Step 5: Solve for x
    x = 219,372,197.73/19,844.80
  6. Step 6: Final answer
    x = 11,054.39

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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.