Home / 22,068.45-33,103.69-7,278.66

Finding the Fourth Proportional to 22,068.45, 33,103.69 and 7,278.66

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Solution

The fourth proportional to 22,068.45, 33,103.69 and 7,278.66 is: 10,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.45 : 33,103.69 = 7,278.66 : x
  2. Step 2: Convert to fraction form
    22,068.45/33,103.69 = 7,278.66/x
  3. Step 3: Cross multiply
    22,068.45x = 33,103.69 × 7,278.66
  4. Step 4: Simplify right side
    22,068.45x = 240,950,486.06
  5. Step 5: Solve for x
    x = 240,950,486.06/22,068.45
  6. Step 6: Final answer
    x = 10,918.32

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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.