Home / 13,305.99-18,364.44-8,003.73

Finding the Fourth Proportional to 13,305.99, 18,364.44 and 8,003.73

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Solution

The fourth proportional to 13,305.99, 18,364.44 and 8,003.73 is: 11,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.99 : 18,364.44 = 8,003.73 : x
  2. Step 2: Convert to fraction form
    13,305.99/18,364.44 = 8,003.73/x
  3. Step 3: Cross multiply
    13,305.99x = 18,364.44 × 8,003.73
  4. Step 4: Simplify right side
    13,305.99x = 146,984,019.36
  5. Step 5: Solve for x
    x = 146,984,019.36/13,305.99
  6. Step 6: Final answer
    x = 11,046.45

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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.