Home / 22,218.32-33,329.25-7,427.32

Finding the Fourth Proportional to 22,218.32, 33,329.25 and 7,427.32

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Solution

The fourth proportional to 22,218.32, 33,329.25 and 7,427.32 is: 11,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.32 : 33,329.25 = 7,427.32 : x
  2. Step 2: Convert to fraction form
    22,218.32/33,329.25 = 7,427.32/x
  3. Step 3: Cross multiply
    22,218.32x = 33,329.25 × 7,427.32
  4. Step 4: Simplify right side
    22,218.32x = 247,546,921.79
  5. Step 5: Solve for x
    x = 247,546,921.79/22,218.32
  6. Step 6: Final answer
    x = 11,141.57

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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.