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Finding the Fourth Proportional to 14,887.99, 20,559.26 and 9,591.99

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Solution

The fourth proportional to 14,887.99, 20,559.26 and 9,591.99 is: 13,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.99 : 20,559.26 = 9,591.99 : x
  2. Step 2: Convert to fraction form
    14,887.99/20,559.26 = 9,591.99/x
  3. Step 3: Cross multiply
    14,887.99x = 20,559.26 × 9,591.99
  4. Step 4: Simplify right side
    14,887.99x = 197,204,168.37
  5. Step 5: Solve for x
    x = 197,204,168.37/14,887.99
  6. Step 6: Final answer
    x = 13,245.86

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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.