Home / 13,415.88-20,133.04-6,028.64

Finding the Fourth Proportional to 13,415.88, 20,133.04 and 6,028.64

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Solution

The fourth proportional to 13,415.88, 20,133.04 and 6,028.64 is: 9,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415.88 : 20,133.04 = 6,028.64 : x
  2. Step 2: Convert to fraction form
    13,415.88/20,133.04 = 6,028.64/x
  3. Step 3: Cross multiply
    13,415.88x = 20,133.04 × 6,028.64
  4. Step 4: Simplify right side
    13,415.88x = 121,374,850.27
  5. Step 5: Solve for x
    x = 121,374,850.27/13,415.88
  6. Step 6: Final answer
    x = 9,047.10

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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.