Home / 15,448.70-23,172.81-3,761.82

Finding the Fourth Proportional to 15,448.70, 23,172.81 and 3,761.82

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Solution

The fourth proportional to 15,448.70, 23,172.81 and 3,761.82 is: 5,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.70 : 23,172.81 = 3,761.82 : x
  2. Step 2: Convert to fraction form
    15,448.70/23,172.81 = 3,761.82/x
  3. Step 3: Cross multiply
    15,448.70x = 23,172.81 × 3,761.82
  4. Step 4: Simplify right side
    15,448.70x = 87,171,940.11
  5. Step 5: Solve for x
    x = 87,171,940.11/15,448.70
  6. Step 6: Final answer
    x = 5,642.67

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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.