Home / 22,065.39-33,102.36-7,278.57

Finding the Fourth Proportional to 22,065.39, 33,102.36 and 7,278.57

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Solution

The fourth proportional to 22,065.39, 33,102.36 and 7,278.57 is: 10,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.39 : 33,102.36 = 7,278.57 : x
  2. Step 2: Convert to fraction form
    22,065.39/33,102.36 = 7,278.57/x
  3. Step 3: Cross multiply
    22,065.39x = 33,102.36 × 7,278.57
  4. Step 4: Simplify right side
    22,065.39x = 240,937,844.43
  5. Step 5: Solve for x
    x = 240,937,844.43/22,065.39
  6. Step 6: Final answer
    x = 10,919.27

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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.