Home / 22,121.36-33,196.44-20,341.52

Finding the Fourth Proportional to 22,121.36, 33,196.44 and 20,341.52

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Solution

The fourth proportional to 22,121.36, 33,196.44 and 20,341.52 is: 30,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.36 : 33,196.44 = 20,341.52 : x
  2. Step 2: Convert to fraction form
    22,121.36/33,196.44 = 20,341.52/x
  3. Step 3: Cross multiply
    22,121.36x = 33,196.44 × 20,341.52
  4. Step 4: Simplify right side
    22,121.36x = 675,266,048.19
  5. Step 5: Solve for x
    x = 675,266,048.19/22,121.36
  6. Step 6: Final answer
    x = 30,525.52

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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.