Home / 18,983.82-26,173.32-15,568.32

Finding the Fourth Proportional to 18,983.82, 26,173.32 and 15,568.32

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Solution

The fourth proportional to 18,983.82, 26,173.32 and 15,568.32 is: 21,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.82 : 26,173.32 = 15,568.32 : x
  2. Step 2: Convert to fraction form
    18,983.82/26,173.32 = 15,568.32/x
  3. Step 3: Cross multiply
    18,983.82x = 26,173.32 × 15,568.32
  4. Step 4: Simplify right side
    18,983.82x = 407,474,621.22
  5. Step 5: Solve for x
    x = 407,474,621.22/18,983.82
  6. Step 6: Final answer
    x = 21,464.31

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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.