Home / 20,243.74-27,933.42-11,628.76

Finding the Fourth Proportional to 20,243.74, 27,933.42 and 11,628.76

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Solution

The fourth proportional to 20,243.74, 27,933.42 and 11,628.76 is: 16,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.74 : 27,933.42 = 11,628.76 : x
  2. Step 2: Convert to fraction form
    20,243.74/27,933.42 = 11,628.76/x
  3. Step 3: Cross multiply
    20,243.74x = 27,933.42 × 11,628.76
  4. Step 4: Simplify right side
    20,243.74x = 324,831,037.16
  5. Step 5: Solve for x
    x = 324,831,037.16/20,243.74
  6. Step 6: Final answer
    x = 16,046.00

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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.