Home / 13,161.08-19,738.71-3,799.06

Finding the Fourth Proportional to 13,161.08, 19,738.71 and 3,799.06

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Solution

The fourth proportional to 13,161.08, 19,738.71 and 3,799.06 is: 5,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.08 : 19,738.71 = 3,799.06 : x
  2. Step 2: Convert to fraction form
    13,161.08/19,738.71 = 3,799.06/x
  3. Step 3: Cross multiply
    13,161.08x = 19,738.71 × 3,799.06
  4. Step 4: Simplify right side
    13,161.08x = 74,988,629.50
  5. Step 5: Solve for x
    x = 74,988,629.50/13,161.08
  6. Step 6: Final answer
    x = 5,697.76

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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.