Home / 13,949.21-20,922.75-4,589.53

Finding the Fourth Proportional to 13,949.21, 20,922.75 and 4,589.53

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Solution

The fourth proportional to 13,949.21, 20,922.75 and 4,589.53 is: 6,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.21 : 20,922.75 = 4,589.53 : x
  2. Step 2: Convert to fraction form
    13,949.21/20,922.75 = 4,589.53/x
  3. Step 3: Cross multiply
    13,949.21x = 20,922.75 × 4,589.53
  4. Step 4: Simplify right side
    13,949.21x = 96,025,536.50
  5. Step 5: Solve for x
    x = 96,025,536.50/13,949.21
  6. Step 6: Final answer
    x = 6,883.94

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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.