Home / 22,087.74-30,469.23-15,361.67

Finding the Fourth Proportional to 22,087.74, 30,469.23 and 15,361.67

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Solution

The fourth proportional to 22,087.74, 30,469.23 and 15,361.67 is: 21,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087.74 : 30,469.23 = 15,361.67 : x
  2. Step 2: Convert to fraction form
    22,087.74/30,469.23 = 15,361.67/x
  3. Step 3: Cross multiply
    22,087.74x = 30,469.23 × 15,361.67
  4. Step 4: Simplify right side
    22,087.74x = 468,058,104.07
  5. Step 5: Solve for x
    x = 468,058,104.07/22,087.74
  6. Step 6: Final answer
    x = 21,190.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.