Home / 27,311.19-40,991.19-13,993.25

Finding the Fourth Proportional to 27,311.19, 40,991.19 and 13,993.25

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Solution

The fourth proportional to 27,311.19, 40,991.19 and 13,993.25 is: 21,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.19 : 40,991.19 = 13,993.25 : x
  2. Step 2: Convert to fraction form
    27,311.19/40,991.19 = 13,993.25/x
  3. Step 3: Cross multiply
    27,311.19x = 40,991.19 × 13,993.25
  4. Step 4: Simplify right side
    27,311.19x = 573,599,969.47
  5. Step 5: Solve for x
    x = 573,599,969.47/27,311.19
  6. Step 6: Final answer
    x = 21,002.38

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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.