Home / 19,668.25-27,153.19-15,060.30

Finding the Fourth Proportional to 19,668.25, 27,153.19 and 15,060.30

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Solution

The fourth proportional to 19,668.25, 27,153.19 and 15,060.30 is: 20,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.25 : 27,153.19 = 15,060.30 : x
  2. Step 2: Convert to fraction form
    19,668.25/27,153.19 = 15,060.30/x
  3. Step 3: Cross multiply
    19,668.25x = 27,153.19 × 15,060.30
  4. Step 4: Simplify right side
    19,668.25x = 408,935,104.36
  5. Step 5: Solve for x
    x = 408,935,104.36/19,668.25
  6. Step 6: Final answer
    x = 20,791.64

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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.