Home / 19,107.35-28,662.56-7,266.79

Finding the Fourth Proportional to 19,107.35, 28,662.56 and 7,266.79

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Solution

The fourth proportional to 19,107.35, 28,662.56 and 7,266.79 is: 10,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.35 : 28,662.56 = 7,266.79 : x
  2. Step 2: Convert to fraction form
    19,107.35/28,662.56 = 7,266.79/x
  3. Step 3: Cross multiply
    19,107.35x = 28,662.56 × 7,266.79
  4. Step 4: Simplify right side
    19,107.35x = 208,284,804.38
  5. Step 5: Solve for x
    x = 208,284,804.38/19,107.35
  6. Step 6: Final answer
    x = 10,900.77

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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.