Home / 14,591.32-20,131.38-8,625.04

Finding the Fourth Proportional to 14,591.32, 20,131.38 and 8,625.04

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Solution

The fourth proportional to 14,591.32, 20,131.38 and 8,625.04 is: 11,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.32 : 20,131.38 = 8,625.04 : x
  2. Step 2: Convert to fraction form
    14,591.32/20,131.38 = 8,625.04/x
  3. Step 3: Cross multiply
    14,591.32x = 20,131.38 × 8,625.04
  4. Step 4: Simplify right side
    14,591.32x = 173,633,957.76
  5. Step 5: Solve for x
    x = 173,633,957.76/14,591.32
  6. Step 6: Final answer
    x = 11,899.81

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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.