Home / 19,621.23-27,076.97-10,668.95

Finding the Fourth Proportional to 19,621.23, 27,076.97 and 10,668.95

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Solution

The fourth proportional to 19,621.23, 27,076.97 and 10,668.95 is: 14,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.23 : 27,076.97 = 10,668.95 : x
  2. Step 2: Convert to fraction form
    19,621.23/27,076.97 = 10,668.95/x
  3. Step 3: Cross multiply
    19,621.23x = 27,076.97 × 10,668.95
  4. Step 4: Simplify right side
    19,621.23x = 288,882,839.08
  5. Step 5: Solve for x
    x = 288,882,839.08/19,621.23
  6. Step 6: Final answer
    x = 14,722.97

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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.