Home / 19,996.20-27,598.60-11,504.02

Finding the Fourth Proportional to 19,996.20, 27,598.60 and 11,504.02

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Solution

The fourth proportional to 19,996.20, 27,598.60 and 11,504.02 is: 15,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.20 : 27,598.60 = 11,504.02 : x
  2. Step 2: Convert to fraction form
    19,996.20/27,598.60 = 11,504.02/x
  3. Step 3: Cross multiply
    19,996.20x = 27,598.60 × 11,504.02
  4. Step 4: Simplify right side
    19,996.20x = 317,494,846.37
  5. Step 5: Solve for x
    x = 317,494,846.37/19,996.20
  6. Step 6: Final answer
    x = 15,877.76

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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.