Home / 13,895.75-20,838.31-6,873.36

Finding the Fourth Proportional to 13,895.75, 20,838.31 and 6,873.36

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Solution

The fourth proportional to 13,895.75, 20,838.31 and 6,873.36 is: 10,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.75 : 20,838.31 = 6,873.36 : x
  2. Step 2: Convert to fraction form
    13,895.75/20,838.31 = 6,873.36/x
  3. Step 3: Cross multiply
    13,895.75x = 20,838.31 × 6,873.36
  4. Step 4: Simplify right side
    13,895.75x = 143,229,149.76
  5. Step 5: Solve for x
    x = 143,229,149.76/13,895.75
  6. Step 6: Final answer
    x = 10,307.41

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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.