Home / 13,133.44-19,708.36-5,342.25

Finding the Fourth Proportional to 13,133.44, 19,708.36 and 5,342.25

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Solution

The fourth proportional to 13,133.44, 19,708.36 and 5,342.25 is: 8,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.44 : 19,708.36 = 5,342.25 : x
  2. Step 2: Convert to fraction form
    13,133.44/19,708.36 = 5,342.25/x
  3. Step 3: Cross multiply
    13,133.44x = 19,708.36 × 5,342.25
  4. Step 4: Simplify right side
    13,133.44x = 105,286,986.21
  5. Step 5: Solve for x
    x = 105,286,986.21/13,133.44
  6. Step 6: Final answer
    x = 8,016.71

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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.