Home / 14,327.20-19,770.78-8,039.44

Finding the Fourth Proportional to 14,327.20, 19,770.78 and 8,039.44

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Solution

The fourth proportional to 14,327.20, 19,770.78 and 8,039.44 is: 11,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.20 : 19,770.78 = 8,039.44 : x
  2. Step 2: Convert to fraction form
    14,327.20/19,770.78 = 8,039.44/x
  3. Step 3: Cross multiply
    14,327.20x = 19,770.78 × 8,039.44
  4. Step 4: Simplify right side
    14,327.20x = 158,945,999.56
  5. Step 5: Solve for x
    x = 158,945,999.56/14,327.20
  6. Step 6: Final answer
    x = 11,094.00

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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.