Home / 14,614.80-20,167.65-8,241.54

Finding the Fourth Proportional to 14,614.80, 20,167.65 and 8,241.54

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Solution

The fourth proportional to 14,614.80, 20,167.65 and 8,241.54 is: 11,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.80 : 20,167.65 = 8,241.54 : x
  2. Step 2: Convert to fraction form
    14,614.80/20,167.65 = 8,241.54/x
  3. Step 3: Cross multiply
    14,614.80x = 20,167.65 × 8,241.54
  4. Step 4: Simplify right side
    14,614.80x = 166,212,494.18
  5. Step 5: Solve for x
    x = 166,212,494.18/14,614.80
  6. Step 6: Final answer
    x = 11,372.89

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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.