Home / 25,382.56-38,071.92-7,852.48

Finding the Fourth Proportional to 25,382.56, 38,071.92 and 7,852.48

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Solution

The fourth proportional to 25,382.56, 38,071.92 and 7,852.48 is: 11,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.56 : 38,071.92 = 7,852.48 : x
  2. Step 2: Convert to fraction form
    25,382.56/38,071.92 = 7,852.48/x
  3. Step 3: Cross multiply
    25,382.56x = 38,071.92 × 7,852.48
  4. Step 4: Simplify right side
    25,382.56x = 298,958,990.36
  5. Step 5: Solve for x
    x = 298,958,990.36/25,382.56
  6. Step 6: Final answer
    x = 11,778.13

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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.