Home / 14,628.83-20,184.26-8,661.96

Finding the Fourth Proportional to 14,628.83, 20,184.26 and 8,661.96

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Solution

The fourth proportional to 14,628.83, 20,184.26 and 8,661.96 is: 11,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.83 : 20,184.26 = 8,661.96 : x
  2. Step 2: Convert to fraction form
    14,628.83/20,184.26 = 8,661.96/x
  3. Step 3: Cross multiply
    14,628.83x = 20,184.26 × 8,661.96
  4. Step 4: Simplify right side
    14,628.83x = 174,835,209.44
  5. Step 5: Solve for x
    x = 174,835,209.44/14,628.83
  6. Step 6: Final answer
    x = 11,951.42

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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.