Home / 12,668.50-19,004.84-5,273.48

Finding the Fourth Proportional to 12,668.50, 19,004.84 and 5,273.48

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Solution

The fourth proportional to 12,668.50, 19,004.84 and 5,273.48 is: 7,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.50 : 19,004.84 = 5,273.48 : x
  2. Step 2: Convert to fraction form
    12,668.50/19,004.84 = 5,273.48/x
  3. Step 3: Cross multiply
    12,668.50x = 19,004.84 × 5,273.48
  4. Step 4: Simplify right side
    12,668.50x = 100,221,638.53
  5. Step 5: Solve for x
    x = 100,221,638.53/12,668.50
  6. Step 6: Final answer
    x = 7,911.09

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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.