Home / 20,007.99-27,610.32-11,055.33

Finding the Fourth Proportional to 20,007.99, 27,610.32 and 11,055.33

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Solution

The fourth proportional to 20,007.99, 27,610.32 and 11,055.33 is: 15,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.99 : 27,610.32 = 11,055.33 : x
  2. Step 2: Convert to fraction form
    20,007.99/27,610.32 = 11,055.33/x
  3. Step 3: Cross multiply
    20,007.99x = 27,610.32 × 11,055.33
  4. Step 4: Simplify right side
    20,007.99x = 305,241,199.01
  5. Step 5: Solve for x
    x = 305,241,199.01/20,007.99
  6. Step 6: Final answer
    x = 15,255.97

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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.