Home / 25,379.13-38,072.33-7,850.32

Finding the Fourth Proportional to 25,379.13, 38,072.33 and 7,850.32

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Solution

The fourth proportional to 25,379.13, 38,072.33 and 7,850.32 is: 11,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.13 : 38,072.33 = 7,850.32 : x
  2. Step 2: Convert to fraction form
    25,379.13/38,072.33 = 7,850.32/x
  3. Step 3: Cross multiply
    25,379.13x = 38,072.33 × 7,850.32
  4. Step 4: Simplify right side
    25,379.13x = 298,879,973.65
  5. Step 5: Solve for x
    x = 298,879,973.65/25,379.13
  6. Step 6: Final answer
    x = 11,776.60

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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.