Home / 19,763.85-27,273.75-10,811.27

Finding the Fourth Proportional to 19,763.85, 27,273.75 and 10,811.27

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Solution

The fourth proportional to 19,763.85, 27,273.75 and 10,811.27 is: 14,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.85 : 27,273.75 = 10,811.27 : x
  2. Step 2: Convert to fraction form
    19,763.85/27,273.75 = 10,811.27/x
  3. Step 3: Cross multiply
    19,763.85x = 27,273.75 × 10,811.27
  4. Step 4: Simplify right side
    19,763.85x = 294,863,821.11
  5. Step 5: Solve for x
    x = 294,863,821.11/19,763.85
  6. Step 6: Final answer
    x = 14,919.36

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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.