Home / 18,696.30-28,043.84-7,600.01

Finding the Fourth Proportional to 18,696.30, 28,043.84 and 7,600.01

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Solution

The fourth proportional to 18,696.30, 28,043.84 and 7,600.01 is: 11,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.30 : 28,043.84 = 7,600.01 : x
  2. Step 2: Convert to fraction form
    18,696.30/28,043.84 = 7,600.01/x
  3. Step 3: Cross multiply
    18,696.30x = 28,043.84 × 7,600.01
  4. Step 4: Simplify right side
    18,696.30x = 213,133,286.22
  5. Step 5: Solve for x
    x = 213,133,286.22/18,696.30
  6. Step 6: Final answer
    x = 11,399.76

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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.