Home / 13,805.24-20,694.36-5,482.49

Finding the Fourth Proportional to 13,805.24, 20,694.36 and 5,482.49

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Solution

The fourth proportional to 13,805.24, 20,694.36 and 5,482.49 is: 8,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.24 : 20,694.36 = 5,482.49 : x
  2. Step 2: Convert to fraction form
    13,805.24/20,694.36 = 5,482.49/x
  3. Step 3: Cross multiply
    13,805.24x = 20,694.36 × 5,482.49
  4. Step 4: Simplify right side
    13,805.24x = 113,456,621.76
  5. Step 5: Solve for x
    x = 113,456,621.76/13,805.24
  6. Step 6: Final answer
    x = 8,218.37

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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.