Home / 19,956.36-27,539.98-11,004.20

Finding the Fourth Proportional to 19,956.36, 27,539.98 and 11,004.20

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Solution

The fourth proportional to 19,956.36, 27,539.98 and 11,004.20 is: 15,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.36 : 27,539.98 = 11,004.20 : x
  2. Step 2: Convert to fraction form
    19,956.36/27,539.98 = 11,004.20/x
  3. Step 3: Cross multiply
    19,956.36x = 27,539.98 × 11,004.20
  4. Step 4: Simplify right side
    19,956.36x = 303,055,447.92
  5. Step 5: Solve for x
    x = 303,055,447.92/19,956.36
  6. Step 6: Final answer
    x = 15,185.91

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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.