Home / 15,453.56-23,172.66-4,922.21

Finding the Fourth Proportional to 15,453.56, 23,172.66 and 4,922.21

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Solution

The fourth proportional to 15,453.56, 23,172.66 and 4,922.21 is: 7,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.56 : 23,172.66 = 4,922.21 : x
  2. Step 2: Convert to fraction form
    15,453.56/23,172.66 = 4,922.21/x
  3. Step 3: Cross multiply
    15,453.56x = 23,172.66 × 4,922.21
  4. Step 4: Simplify right side
    15,453.56x = 114,060,698.78
  5. Step 5: Solve for x
    x = 114,060,698.78/15,453.56
  6. Step 6: Final answer
    x = 7,380.87

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1.5x scale

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.