Home / 18,546.16-25,589.26-10,991.19

Finding the Fourth Proportional to 18,546.16, 25,589.26 and 10,991.19

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Solution

The fourth proportional to 18,546.16, 25,589.26 and 10,991.19 is: 15,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.16 : 25,589.26 = 10,991.19 : x
  2. Step 2: Convert to fraction form
    18,546.16/25,589.26 = 10,991.19/x
  3. Step 3: Cross multiply
    18,546.16x = 25,589.26 × 10,991.19
  4. Step 4: Simplify right side
    18,546.16x = 281,256,418.62
  5. Step 5: Solve for x
    x = 281,256,418.62/18,546.16
  6. Step 6: Final answer
    x = 15,165.21

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Half scale
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Double scale
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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.