Home / 18,944.48-28,400.52-7,266.08

Finding the Fourth Proportional to 18,944.48, 28,400.52 and 7,266.08

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Solution

The fourth proportional to 18,944.48, 28,400.52 and 7,266.08 is: 10,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.48 : 28,400.52 = 7,266.08 : x
  2. Step 2: Convert to fraction form
    18,944.48/28,400.52 = 7,266.08/x
  3. Step 3: Cross multiply
    18,944.48x = 28,400.52 × 7,266.08
  4. Step 4: Simplify right side
    18,944.48x = 206,360,450.36
  5. Step 5: Solve for x
    x = 206,360,450.36/18,944.48
  6. Step 6: Final answer
    x = 10,892.91

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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.