Home / 14,615.43-20,169.01-8,241.91

Finding the Fourth Proportional to 14,615.43, 20,169.01 and 8,241.91

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Solution

The fourth proportional to 14,615.43, 20,169.01 and 8,241.91 is: 11,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.43 : 20,169.01 = 8,241.91 : x
  2. Step 2: Convert to fraction form
    14,615.43/20,169.01 = 8,241.91/x
  3. Step 3: Cross multiply
    14,615.43x = 20,169.01 × 8,241.91
  4. Step 4: Simplify right side
    14,615.43x = 166,231,165.21
  5. Step 5: Solve for x
    x = 166,231,165.21/14,615.43
  6. Step 6: Final answer
    x = 11,373.68

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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.