Home / 22,273.36-33,406.80-8,419.12

Finding the Fourth Proportional to 22,273.36, 33,406.80 and 8,419.12

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Solution

The fourth proportional to 22,273.36, 33,406.80 and 8,419.12 is: 12,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.36 : 33,406.80 = 8,419.12 : x
  2. Step 2: Convert to fraction form
    22,273.36/33,406.80 = 8,419.12/x
  3. Step 3: Cross multiply
    22,273.36x = 33,406.80 × 8,419.12
  4. Step 4: Simplify right side
    22,273.36x = 281,255,858.02
  5. Step 5: Solve for x
    x = 281,255,858.02/22,273.36
  6. Step 6: Final answer
    x = 12,627.46

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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.