Home / 20,045.37-27,661.93-11,093.25

Finding the Fourth Proportional to 20,045.37, 27,661.93 and 11,093.25

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Solution

The fourth proportional to 20,045.37, 27,661.93 and 11,093.25 is: 15,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.37 : 27,661.93 = 11,093.25 : x
  2. Step 2: Convert to fraction form
    20,045.37/27,661.93 = 11,093.25/x
  3. Step 3: Cross multiply
    20,045.37x = 27,661.93 × 11,093.25
  4. Step 4: Simplify right side
    20,045.37x = 306,860,677.24
  5. Step 5: Solve for x
    x = 306,860,677.24/20,045.37
  6. Step 6: Final answer
    x = 15,308.31

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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.