Home / 14,616.44-20,169.86-8,648.66

Finding the Fourth Proportional to 14,616.44, 20,169.86 and 8,648.66

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Solution

The fourth proportional to 14,616.44, 20,169.86 and 8,648.66 is: 11,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.44 : 20,169.86 = 8,648.66 : x
  2. Step 2: Convert to fraction form
    14,616.44/20,169.86 = 8,648.66/x
  3. Step 3: Cross multiply
    14,616.44x = 20,169.86 × 8,648.66
  4. Step 4: Simplify right side
    14,616.44x = 174,442,117.30
  5. Step 5: Solve for x
    x = 174,442,117.30/14,616.44
  6. Step 6: Final answer
    x = 11,934.66

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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.