Home / 14,489.75-21,729.94-4,626.72

Finding the Fourth Proportional to 14,489.75, 21,729.94 and 4,626.72

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Solution

The fourth proportional to 14,489.75, 21,729.94 and 4,626.72 is: 6,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.75 : 21,729.94 = 4,626.72 : x
  2. Step 2: Convert to fraction form
    14,489.75/21,729.94 = 4,626.72/x
  3. Step 3: Cross multiply
    14,489.75x = 21,729.94 × 4,626.72
  4. Step 4: Simplify right side
    14,489.75x = 100,538,336.43
  5. Step 5: Solve for x
    x = 100,538,336.43/14,489.75
  6. Step 6: Final answer
    x = 6,938.58

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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.