Home / 13,918.75-20,881.53-4,559.27

Finding the Fourth Proportional to 13,918.75, 20,881.53 and 4,559.27

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Solution

The fourth proportional to 13,918.75, 20,881.53 and 4,559.27 is: 6,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.75 : 20,881.53 = 4,559.27 : x
  2. Step 2: Convert to fraction form
    13,918.75/20,881.53 = 4,559.27/x
  3. Step 3: Cross multiply
    13,918.75x = 20,881.53 × 4,559.27
  4. Step 4: Simplify right side
    13,918.75x = 95,204,428.88
  5. Step 5: Solve for x
    x = 95,204,428.88/13,918.75
  6. Step 6: Final answer
    x = 6,840.01

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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.