Home / 19,620.99-27,076.34-10,668.26

Finding the Fourth Proportional to 19,620.99, 27,076.34 and 10,668.26

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Solution

The fourth proportional to 19,620.99, 27,076.34 and 10,668.26 is: 14,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.99 : 27,076.34 = 10,668.26 : x
  2. Step 2: Convert to fraction form
    19,620.99/27,076.34 = 10,668.26/x
  3. Step 3: Cross multiply
    19,620.99x = 27,076.34 × 10,668.26
  4. Step 4: Simplify right side
    19,620.99x = 288,857,246.25
  5. Step 5: Solve for x
    x = 288,857,246.25/19,620.99
  6. Step 6: Final answer
    x = 14,721.85

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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.