Home / 19,377.12-29,021.94-8,967

Finding the Fourth Proportional to 19,377.12, 29,021.94 and 8,967

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Solution

The fourth proportional to 19,377.12, 29,021.94 and 8,967 is: 13,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.12 : 29,021.94 = 8,967 : x
  2. Step 2: Convert to fraction form
    19,377.12/29,021.94 = 8,967/x
  3. Step 3: Cross multiply
    19,377.12x = 29,021.94 × 8,967
  4. Step 4: Simplify right side
    19,377.12x = 260,239,735.98
  5. Step 5: Solve for x
    x = 260,239,735.98/19,377.12
  6. Step 6: Final answer
    x = 13,430.26

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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.