Home / 27,470.34-41,172.30-19,662.75

Finding the Fourth Proportional to 27,470.34, 41,172.30 and 19,662.75

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Solution

The fourth proportional to 27,470.34, 41,172.30 and 19,662.75 is: 29,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.34 : 41,172.30 = 19,662.75 : x
  2. Step 2: Convert to fraction form
    27,470.34/41,172.30 = 19,662.75/x
  3. Step 3: Cross multiply
    27,470.34x = 41,172.30 × 19,662.75
  4. Step 4: Simplify right side
    27,470.34x = 809,560,641.83
  5. Step 5: Solve for x
    x = 809,560,641.83/27,470.34
  6. Step 6: Final answer
    x = 29,470.35

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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.