Home / 13,906.06-20,852.28-6,877.96

Finding the Fourth Proportional to 13,906.06, 20,852.28 and 6,877.96

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Solution

The fourth proportional to 13,906.06, 20,852.28 and 6,877.96 is: 10,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.06 : 20,852.28 = 6,877.96 : x
  2. Step 2: Convert to fraction form
    13,906.06/20,852.28 = 6,877.96/x
  3. Step 3: Cross multiply
    13,906.06x = 20,852.28 × 6,877.96
  4. Step 4: Simplify right side
    13,906.06x = 143,421,147.75
  5. Step 5: Solve for x
    x = 143,421,147.75/13,906.06
  6. Step 6: Final answer
    x = 10,313.57

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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.