Home / 25,100.81-37,626.72-11,949.65

Finding the Fourth Proportional to 25,100.81, 37,626.72 and 11,949.65

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Solution

The fourth proportional to 25,100.81, 37,626.72 and 11,949.65 is: 17,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.81 : 37,626.72 = 11,949.65 : x
  2. Step 2: Convert to fraction form
    25,100.81/37,626.72 = 11,949.65/x
  3. Step 3: Cross multiply
    25,100.81x = 37,626.72 × 11,949.65
  4. Step 4: Simplify right side
    25,100.81x = 449,625,946.51
  5. Step 5: Solve for x
    x = 449,625,946.51/25,100.81
  6. Step 6: Final answer
    x = 17,912.81

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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.