Home / 13,883.45-20,844.71-8,046.59

Finding the Fourth Proportional to 13,883.45, 20,844.71 and 8,046.59

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Solution

The fourth proportional to 13,883.45, 20,844.71 and 8,046.59 is: 12,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.45 : 20,844.71 = 8,046.59 : x
  2. Step 2: Convert to fraction form
    13,883.45/20,844.71 = 8,046.59/x
  3. Step 3: Cross multiply
    13,883.45x = 20,844.71 × 8,046.59
  4. Step 4: Simplify right side
    13,883.45x = 167,728,835.04
  5. Step 5: Solve for x
    x = 167,728,835.04/13,883.45
  6. Step 6: Final answer
    x = 12,081.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.