Home / 14,796.38-20,419.61-8,508.75

Finding the Fourth Proportional to 14,796.38, 20,419.61 and 8,508.75

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Solution

The fourth proportional to 14,796.38, 20,419.61 and 8,508.75 is: 11,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.38 : 20,419.61 = 8,508.75 : x
  2. Step 2: Convert to fraction form
    14,796.38/20,419.61 = 8,508.75/x
  3. Step 3: Cross multiply
    14,796.38x = 20,419.61 × 8,508.75
  4. Step 4: Simplify right side
    14,796.38x = 173,745,314.04
  5. Step 5: Solve for x
    x = 173,745,314.04/14,796.38
  6. Step 6: Final answer
    x = 11,742.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.