Home / 19,226.62-28,857.93-11,845.54

Finding the Fourth Proportional to 19,226.62, 28,857.93 and 11,845.54

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Solution

The fourth proportional to 19,226.62, 28,857.93 and 11,845.54 is: 17,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.62 : 28,857.93 = 11,845.54 : x
  2. Step 2: Convert to fraction form
    19,226.62/28,857.93 = 11,845.54/x
  3. Step 3: Cross multiply
    19,226.62x = 28,857.93 × 11,845.54
  4. Step 4: Simplify right side
    19,226.62x = 341,837,764.13
  5. Step 5: Solve for x
    x = 341,837,764.13/19,226.62
  6. Step 6: Final answer
    x = 17,779.40

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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.