Home / 17,643.44-26,457.46-5,163.21

Finding the Fourth Proportional to 17,643.44, 26,457.46 and 5,163.21

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Solution

The fourth proportional to 17,643.44, 26,457.46 and 5,163.21 is: 7,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.44 : 26,457.46 = 5,163.21 : x
  2. Step 2: Convert to fraction form
    17,643.44/26,457.46 = 5,163.21/x
  3. Step 3: Cross multiply
    17,643.44x = 26,457.46 × 5,163.21
  4. Step 4: Simplify right side
    17,643.44x = 136,605,409.14
  5. Step 5: Solve for x
    x = 136,605,409.14/17,643.44
  6. Step 6: Final answer
    x = 7,742.56

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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.