Home / 22,009.36-33,015.66-6,427.42

Finding the Fourth Proportional to 22,009.36, 33,015.66 and 6,427.42

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Solution

The fourth proportional to 22,009.36, 33,015.66 and 6,427.42 is: 9,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.36 : 33,015.66 = 6,427.42 : x
  2. Step 2: Convert to fraction form
    22,009.36/33,015.66 = 6,427.42/x
  3. Step 3: Cross multiply
    22,009.36x = 33,015.66 × 6,427.42
  4. Step 4: Simplify right side
    22,009.36x = 212,205,513.40
  5. Step 5: Solve for x
    x = 212,205,513.40/22,009.36
  6. Step 6: Final answer
    x = 9,641.60

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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.