Home / 14,649.89-21,974.83-3,556.40

Finding the Fourth Proportional to 14,649.89, 21,974.83 and 3,556.40

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Solution

The fourth proportional to 14,649.89, 21,974.83 and 3,556.40 is: 5,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.89 : 21,974.83 = 3,556.40 : x
  2. Step 2: Convert to fraction form
    14,649.89/21,974.83 = 3,556.40/x
  3. Step 3: Cross multiply
    14,649.89x = 21,974.83 × 3,556.40
  4. Step 4: Simplify right side
    14,649.89x = 78,151,166.65
  5. Step 5: Solve for x
    x = 78,151,166.65/14,649.89
  6. Step 6: Final answer
    x = 5,334.59

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Similar ratio
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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.