Home / 17,278.88-23,836.32-10,993.28

Finding the Fourth Proportional to 17,278.88, 23,836.32 and 10,993.28

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Solution

The fourth proportional to 17,278.88, 23,836.32 and 10,993.28 is: 15,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.88 : 23,836.32 = 10,993.28 : x
  2. Step 2: Convert to fraction form
    17,278.88/23,836.32 = 10,993.28/x
  3. Step 3: Cross multiply
    17,278.88x = 23,836.32 × 10,993.28
  4. Step 4: Simplify right side
    17,278.88x = 262,039,339.93
  5. Step 5: Solve for x
    x = 262,039,339.93/17,278.88
  6. Step 6: Final answer
    x = 15,165.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.