Home / 13,063.49-18,027.85-7,399.41

Finding the Fourth Proportional to 13,063.49, 18,027.85 and 7,399.41

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Solution

The fourth proportional to 13,063.49, 18,027.85 and 7,399.41 is: 10,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.49 : 18,027.85 = 7,399.41 : x
  2. Step 2: Convert to fraction form
    13,063.49/18,027.85 = 7,399.41/x
  3. Step 3: Cross multiply
    13,063.49x = 18,027.85 × 7,399.41
  4. Step 4: Simplify right side
    13,063.49x = 133,395,378.41
  5. Step 5: Solve for x
    x = 133,395,378.41/13,063.49
  6. Step 6: Final answer
    x = 10,211.31

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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.