Home / 36,949.04-55,431.34-11,987.14

Finding the Fourth Proportional to 36,949.04, 55,431.34 and 11,987.14

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Solution

The fourth proportional to 36,949.04, 55,431.34 and 11,987.14 is: 17,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.04 : 55,431.34 = 11,987.14 : x
  2. Step 2: Convert to fraction form
    36,949.04/55,431.34 = 11,987.14/x
  3. Step 3: Cross multiply
    36,949.04x = 55,431.34 × 11,987.14
  4. Step 4: Simplify right side
    36,949.04x = 664,463,232.97
  5. Step 5: Solve for x
    x = 664,463,232.97/36,949.04
  6. Step 6: Final answer
    x = 17,983.23

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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.