Home / 13,958.25-19,262.79-7,671.03

Finding the Fourth Proportional to 13,958.25, 19,262.79 and 7,671.03

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Solution

The fourth proportional to 13,958.25, 19,262.79 and 7,671.03 is: 10,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.25 : 19,262.79 = 7,671.03 : x
  2. Step 2: Convert to fraction form
    13,958.25/19,262.79 = 7,671.03/x
  3. Step 3: Cross multiply
    13,958.25x = 19,262.79 × 7,671.03
  4. Step 4: Simplify right side
    13,958.25x = 147,765,439.97
  5. Step 5: Solve for x
    x = 147,765,439.97/13,958.25
  6. Step 6: Final answer
    x = 10,586.24

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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.