Home / 20,007.09-27,608.36-11,054.49

Finding the Fourth Proportional to 20,007.09, 27,608.36 and 11,054.49

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Solution

The fourth proportional to 20,007.09, 27,608.36 and 11,054.49 is: 15,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.09 : 27,608.36 = 11,054.49 : x
  2. Step 2: Convert to fraction form
    20,007.09/27,608.36 = 11,054.49/x
  3. Step 3: Cross multiply
    20,007.09x = 27,608.36 × 11,054.49
  4. Step 4: Simplify right side
    20,007.09x = 305,196,284.26
  5. Step 5: Solve for x
    x = 305,196,284.26/20,007.09
  6. Step 6: Final answer
    x = 15,254.41

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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.