Home / 25,578.23-38,369.16-8,936.37

Finding the Fourth Proportional to 25,578.23, 38,369.16 and 8,936.37

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Solution

The fourth proportional to 25,578.23, 38,369.16 and 8,936.37 is: 13,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.23 : 38,369.16 = 8,936.37 : x
  2. Step 2: Convert to fraction form
    25,578.23/38,369.16 = 8,936.37/x
  3. Step 3: Cross multiply
    25,578.23x = 38,369.16 × 8,936.37
  4. Step 4: Simplify right side
    25,578.23x = 342,881,010.35
  5. Step 5: Solve for x
    x = 342,881,010.35/25,578.23
  6. Step 6: Final answer
    x = 13,405.19

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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.