Home / 14,109.73-19,472.22-7,821.97

Finding the Fourth Proportional to 14,109.73, 19,472.22 and 7,821.97

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Solution

The fourth proportional to 14,109.73, 19,472.22 and 7,821.97 is: 10,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.73 : 19,472.22 = 7,821.97 : x
  2. Step 2: Convert to fraction form
    14,109.73/19,472.22 = 7,821.97/x
  3. Step 3: Cross multiply
    14,109.73x = 19,472.22 × 7,821.97
  4. Step 4: Simplify right side
    14,109.73x = 152,311,120.67
  5. Step 5: Solve for x
    x = 152,311,120.67/14,109.73
  6. Step 6: Final answer
    x = 10,794.76

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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.