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Finding the Fourth Proportional to 14,027.87, 19,356.99 and 8,649.50

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Solution

The fourth proportional to 14,027.87, 19,356.99 and 8,649.50 is: 11,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.87 : 19,356.99 = 8,649.50 : x
  2. Step 2: Convert to fraction form
    14,027.87/19,356.99 = 8,649.50/x
  3. Step 3: Cross multiply
    14,027.87x = 19,356.99 × 8,649.50
  4. Step 4: Simplify right side
    14,027.87x = 167,428,188.22
  5. Step 5: Solve for x
    x = 167,428,188.22/14,027.87
  6. Step 6: Final answer
    x = 11,935.40

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Similar ratio
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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.