Home / 19,974.96-29,962.44-11,196.72

Finding the Fourth Proportional to 19,974.96, 29,962.44 and 11,196.72

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Solution

The fourth proportional to 19,974.96, 29,962.44 and 11,196.72 is: 16,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.96 : 29,962.44 = 11,196.72 : x
  2. Step 2: Convert to fraction form
    19,974.96/29,962.44 = 11,196.72/x
  3. Step 3: Cross multiply
    19,974.96x = 29,962.44 × 11,196.72
  4. Step 4: Simplify right side
    19,974.96x = 335,481,051.20
  5. Step 5: Solve for x
    x = 335,481,051.20/19,974.96
  6. Step 6: Final answer
    x = 16,795.08

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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.