Home / 18,490.44-27,712.56-10,165.26

Finding the Fourth Proportional to 18,490.44, 27,712.56 and 10,165.26

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Solution

The fourth proportional to 18,490.44, 27,712.56 and 10,165.26 is: 15,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.44 : 27,712.56 = 10,165.26 : x
  2. Step 2: Convert to fraction form
    18,490.44/27,712.56 = 10,165.26/x
  3. Step 3: Cross multiply
    18,490.44x = 27,712.56 × 10,165.26
  4. Step 4: Simplify right side
    18,490.44x = 281,705,377.67
  5. Step 5: Solve for x
    x = 281,705,377.67/18,490.44
  6. Step 6: Final answer
    x = 15,235.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.