Home / 20,053.94-27,673.54-11,100.81

Finding the Fourth Proportional to 20,053.94, 27,673.54 and 11,100.81

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Solution

The fourth proportional to 20,053.94, 27,673.54 and 11,100.81 is: 15,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.94 : 27,673.54 = 11,100.81 : x
  2. Step 2: Convert to fraction form
    20,053.94/27,673.54 = 11,100.81/x
  3. Step 3: Cross multiply
    20,053.94x = 27,673.54 × 11,100.81
  4. Step 4: Simplify right side
    20,053.94x = 307,198,709.57
  5. Step 5: Solve for x
    x = 307,198,709.57/20,053.94
  6. Step 6: Final answer
    x = 15,318.62

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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.