Home / 13,052.37-18,012.07-7,388.19

Finding the Fourth Proportional to 13,052.37, 18,012.07 and 7,388.19

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Solution

The fourth proportional to 13,052.37, 18,012.07 and 7,388.19 is: 10,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.37 : 18,012.07 = 7,388.19 : x
  2. Step 2: Convert to fraction form
    13,052.37/18,012.07 = 7,388.19/x
  3. Step 3: Cross multiply
    13,052.37x = 18,012.07 × 7,388.19
  4. Step 4: Simplify right side
    13,052.37x = 133,076,554.03
  5. Step 5: Solve for x
    x = 133,076,554.03/13,052.37
  6. Step 6: Final answer
    x = 10,195.59

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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.