Home / 22,080.94-33,105.75-10,387.78

Finding the Fourth Proportional to 22,080.94, 33,105.75 and 10,387.78

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Solution

The fourth proportional to 22,080.94, 33,105.75 and 10,387.78 is: 15,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,080.94 : 33,105.75 = 10,387.78 : x
  2. Step 2: Convert to fraction form
    22,080.94/33,105.75 = 10,387.78/x
  3. Step 3: Cross multiply
    22,080.94x = 33,105.75 × 10,387.78
  4. Step 4: Simplify right side
    22,080.94x = 343,895,247.74
  5. Step 5: Solve for x
    x = 343,895,247.74/22,080.94
  6. Step 6: Final answer
    x = 15,574.30

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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.