Home / 21,076.96-31,591.44-7,033.69

Finding the Fourth Proportional to 21,076.96, 31,591.44 and 7,033.69

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Solution

The fourth proportional to 21,076.96, 31,591.44 and 7,033.69 is: 10,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.96 : 31,591.44 = 7,033.69 : x
  2. Step 2: Convert to fraction form
    21,076.96/31,591.44 = 7,033.69/x
  3. Step 3: Cross multiply
    21,076.96x = 31,591.44 × 7,033.69
  4. Step 4: Simplify right side
    21,076.96x = 222,204,395.61
  5. Step 5: Solve for x
    x = 222,204,395.61/21,076.96
  6. Step 6: Final answer
    x = 10,542.53

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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.