Home / 43,834.38-65,704.41-18,886.18

Finding the Fourth Proportional to 43,834.38, 65,704.41 and 18,886.18

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Solution

The fourth proportional to 43,834.38, 65,704.41 and 18,886.18 is: 28,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,834.38 : 65,704.41 = 18,886.18 : x
  2. Step 2: Convert to fraction form
    43,834.38/65,704.41 = 18,886.18/x
  3. Step 3: Cross multiply
    43,834.38x = 65,704.41 × 18,886.18
  4. Step 4: Simplify right side
    43,834.38x = 1,240,905,314.05
  5. Step 5: Solve for x
    x = 1,240,905,314.05/43,834.38
  6. Step 6: Final answer
    x = 28,308.95

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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.