Home / 14,986.96-20,683.15-8,273.88

Finding the Fourth Proportional to 14,986.96, 20,683.15 and 8,273.88

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Solution

The fourth proportional to 14,986.96, 20,683.15 and 8,273.88 is: 11,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.96 : 20,683.15 = 8,273.88 : x
  2. Step 2: Convert to fraction form
    14,986.96/20,683.15 = 8,273.88/x
  3. Step 3: Cross multiply
    14,986.96x = 20,683.15 × 8,273.88
  4. Step 4: Simplify right side
    14,986.96x = 171,129,880.44
  5. Step 5: Solve for x
    x = 171,129,880.44/14,986.96
  6. Step 6: Final answer
    x = 11,418.59

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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.