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Finding the Fourth Proportional to 14,054.99, 19,394.44 and 8,085.49

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Solution

The fourth proportional to 14,054.99, 19,394.44 and 8,085.49 is: 11,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.99 : 19,394.44 = 8,085.49 : x
  2. Step 2: Convert to fraction form
    14,054.99/19,394.44 = 8,085.49/x
  3. Step 3: Cross multiply
    14,054.99x = 19,394.44 × 8,085.49
  4. Step 4: Simplify right side
    14,054.99x = 156,813,481.98
  5. Step 5: Solve for x
    x = 156,813,481.98/14,054.99
  6. Step 6: Final answer
    x = 11,157.14

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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.