Home / 14,550.21-20,074.50-8,499.06

Finding the Fourth Proportional to 14,550.21, 20,074.50 and 8,499.06

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Solution

The fourth proportional to 14,550.21, 20,074.50 and 8,499.06 is: 11,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.21 : 20,074.50 = 8,499.06 : x
  2. Step 2: Convert to fraction form
    14,550.21/20,074.50 = 8,499.06/x
  3. Step 3: Cross multiply
    14,550.21x = 20,074.50 × 8,499.06
  4. Step 4: Simplify right side
    14,550.21x = 170,614,379.97
  5. Step 5: Solve for x
    x = 170,614,379.97/14,550.21
  6. Step 6: Final answer
    x = 11,725.90

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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.