Home / 20,007.33-27,611.73-11,055.63

Finding the Fourth Proportional to 20,007.33, 27,611.73 and 11,055.63

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Solution

The fourth proportional to 20,007.33, 27,611.73 and 11,055.63 is: 15,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.33 : 27,611.73 = 11,055.63 : x
  2. Step 2: Convert to fraction form
    20,007.33/27,611.73 = 11,055.63/x
  3. Step 3: Cross multiply
    20,007.33x = 27,611.73 × 11,055.63
  4. Step 4: Simplify right side
    20,007.33x = 305,265,070.54
  5. Step 5: Solve for x
    x = 305,265,070.54/20,007.33
  6. Step 6: Final answer
    x = 15,257.66

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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.