Home / 14,621.44-21,930.24-4,759.84

Finding the Fourth Proportional to 14,621.44, 21,930.24 and 4,759.84

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Solution

The fourth proportional to 14,621.44, 21,930.24 and 4,759.84 is: 7,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.44 : 21,930.24 = 4,759.84 : x
  2. Step 2: Convert to fraction form
    14,621.44/21,930.24 = 4,759.84/x
  3. Step 3: Cross multiply
    14,621.44x = 21,930.24 × 4,759.84
  4. Step 4: Simplify right side
    14,621.44x = 104,384,433.56
  5. Step 5: Solve for x
    x = 104,384,433.56/14,621.44
  6. Step 6: Final answer
    x = 7,139.13

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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.