Home / 19,308.91-28,843.56-14,001.79

Finding the Fourth Proportional to 19,308.91, 28,843.56 and 14,001.79

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Solution

The fourth proportional to 19,308.91, 28,843.56 and 14,001.79 is: 20,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.91 : 28,843.56 = 14,001.79 : x
  2. Step 2: Convert to fraction form
    19,308.91/28,843.56 = 14,001.79/x
  3. Step 3: Cross multiply
    19,308.91x = 28,843.56 × 14,001.79
  4. Step 4: Simplify right side
    19,308.91x = 403,861,469.97
  5. Step 5: Solve for x
    x = 403,861,469.97/19,308.91
  6. Step 6: Final answer
    x = 20,915.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.