Home / 22,015.09-33,021.48-7,222.06

Finding the Fourth Proportional to 22,015.09, 33,021.48 and 7,222.06

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Solution

The fourth proportional to 22,015.09, 33,021.48 and 7,222.06 is: 10,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.09 : 33,021.48 = 7,222.06 : x
  2. Step 2: Convert to fraction form
    22,015.09/33,021.48 = 7,222.06/x
  3. Step 3: Cross multiply
    22,015.09x = 33,021.48 × 7,222.06
  4. Step 4: Simplify right side
    22,015.09x = 238,483,109.85
  5. Step 5: Solve for x
    x = 238,483,109.85/22,015.09
  6. Step 6: Final answer
    x = 10,832.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.