Home / 13,914.78-19,202.64-7,626.75

Finding the Fourth Proportional to 13,914.78, 19,202.64 and 7,626.75

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Solution

The fourth proportional to 13,914.78, 19,202.64 and 7,626.75 is: 10,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.78 : 19,202.64 = 7,626.75 : x
  2. Step 2: Convert to fraction form
    13,914.78/19,202.64 = 7,626.75/x
  3. Step 3: Cross multiply
    13,914.78x = 19,202.64 × 7,626.75
  4. Step 4: Simplify right side
    13,914.78x = 146,453,734.62
  5. Step 5: Solve for x
    x = 146,453,734.62/13,914.78
  6. Step 6: Final answer
    x = 10,525.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.