Home / 14,015.60-19,342.44-8,049.20

Finding the Fourth Proportional to 14,015.60, 19,342.44 and 8,049.20

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Solution

The fourth proportional to 14,015.60, 19,342.44 and 8,049.20 is: 11,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.60 : 19,342.44 = 8,049.20 : x
  2. Step 2: Convert to fraction form
    14,015.60/19,342.44 = 8,049.20/x
  3. Step 3: Cross multiply
    14,015.60x = 19,342.44 × 8,049.20
  4. Step 4: Simplify right side
    14,015.60x = 155,691,168.05
  5. Step 5: Solve for x
    x = 155,691,168.05/14,015.60
  6. Step 6: Final answer
    x = 11,108.42

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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.