Home / 13,007.56-17,951.46-7,418.44

Finding the Fourth Proportional to 13,007.56, 17,951.46 and 7,418.44

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Solution

The fourth proportional to 13,007.56, 17,951.46 and 7,418.44 is: 10,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.56 : 17,951.46 = 7,418.44 : x
  2. Step 2: Convert to fraction form
    13,007.56/17,951.46 = 7,418.44/x
  3. Step 3: Cross multiply
    13,007.56x = 17,951.46 × 7,418.44
  4. Step 4: Simplify right side
    13,007.56x = 133,171,828.92
  5. Step 5: Solve for x
    x = 133,171,828.92/13,007.56
  6. Step 6: Final answer
    x = 10,238.03

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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.