Home / 19,964.97-29,933.37-8,865.63

Finding the Fourth Proportional to 19,964.97, 29,933.37 and 8,865.63

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Solution

The fourth proportional to 19,964.97, 29,933.37 and 8,865.63 is: 13,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.97 : 29,933.37 = 8,865.63 : x
  2. Step 2: Convert to fraction form
    19,964.97/29,933.37 = 8,865.63/x
  3. Step 3: Cross multiply
    19,964.97x = 29,933.37 × 8,865.63
  4. Step 4: Simplify right side
    19,964.97x = 265,378,183.07
  5. Step 5: Solve for x
    x = 265,378,183.07/19,964.97
  6. Step 6: Final answer
    x = 13,292.19

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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.