Home / 14,550.06-20,078.19-8,581.98

Finding the Fourth Proportional to 14,550.06, 20,078.19 and 8,581.98

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Solution

The fourth proportional to 14,550.06, 20,078.19 and 8,581.98 is: 11,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.06 : 20,078.19 = 8,581.98 : x
  2. Step 2: Convert to fraction form
    14,550.06/20,078.19 = 8,581.98/x
  3. Step 3: Cross multiply
    14,550.06x = 20,078.19 × 8,581.98
  4. Step 4: Simplify right side
    14,550.06x = 172,310,625.02
  5. Step 5: Solve for x
    x = 172,310,625.02/14,550.06
  6. Step 6: Final answer
    x = 11,842.61

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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.