Home / 22,278.93-33,418.44-9,128.94

Finding the Fourth Proportional to 22,278.93, 33,418.44 and 9,128.94

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Solution

The fourth proportional to 22,278.93, 33,418.44 and 9,128.94 is: 13,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.93 : 33,418.44 = 9,128.94 : x
  2. Step 2: Convert to fraction form
    22,278.93/33,418.44 = 9,128.94/x
  3. Step 3: Cross multiply
    22,278.93x = 33,418.44 × 9,128.94
  4. Step 4: Simplify right side
    22,278.93x = 305,074,933.65
  5. Step 5: Solve for x
    x = 305,074,933.65/22,278.93
  6. Step 6: Final answer
    x = 13,693.43

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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.