Home / 22,278.08-33,420-6,697.28

Finding the Fourth Proportional to 22,278.08, 33,420 and 6,697.28

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Solution

The fourth proportional to 22,278.08, 33,420 and 6,697.28 is: 10,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.08 : 33,420 = 6,697.28 : x
  2. Step 2: Convert to fraction form
    22,278.08/33,420 = 6,697.28/x
  3. Step 3: Cross multiply
    22,278.08x = 33,420 × 6,697.28
  4. Step 4: Simplify right side
    22,278.08x = 223,823,097.60
  5. Step 5: Solve for x
    x = 223,823,097.60/22,278.08
  6. Step 6: Final answer
    x = 10,046.79

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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.