Home / 14,195.76-19,590.84-8,226.36

Finding the Fourth Proportional to 14,195.76, 19,590.84 and 8,226.36

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Solution

The fourth proportional to 14,195.76, 19,590.84 and 8,226.36 is: 11,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.76 : 19,590.84 = 8,226.36 : x
  2. Step 2: Convert to fraction form
    14,195.76/19,590.84 = 8,226.36/x
  3. Step 3: Cross multiply
    14,195.76x = 19,590.84 × 8,226.36
  4. Step 4: Simplify right side
    14,195.76x = 161,161,302.54
  5. Step 5: Solve for x
    x = 161,161,302.54/14,195.76
  6. Step 6: Final answer
    x = 11,352.78

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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.