Home / 13,914.55-19,201.75-7,626.79

Finding the Fourth Proportional to 13,914.55, 19,201.75 and 7,626.79

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Solution

The fourth proportional to 13,914.55, 19,201.75 and 7,626.79 is: 10,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.55 : 19,201.75 = 7,626.79 : x
  2. Step 2: Convert to fraction form
    13,914.55/19,201.75 = 7,626.79/x
  3. Step 3: Cross multiply
    13,914.55x = 19,201.75 × 7,626.79
  4. Step 4: Simplify right side
    13,914.55x = 146,447,714.88
  5. Step 5: Solve for x
    x = 146,447,714.88/13,914.55
  6. Step 6: Final answer
    x = 10,524.79

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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.