Home / 19,816.66-29,729.54-6,668.68

Finding the Fourth Proportional to 19,816.66, 29,729.54 and 6,668.68

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Solution

The fourth proportional to 19,816.66, 29,729.54 and 6,668.68 is: 10,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.66 : 29,729.54 = 6,668.68 : x
  2. Step 2: Convert to fraction form
    19,816.66/29,729.54 = 6,668.68/x
  3. Step 3: Cross multiply
    19,816.66x = 29,729.54 × 6,668.68
  4. Step 4: Simplify right side
    19,816.66x = 198,256,606.82
  5. Step 5: Solve for x
    x = 198,256,606.82/19,816.66
  6. Step 6: Final answer
    x = 10,004.54

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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.