Home / 19,668.32-27,141.21-11,170.23

Finding the Fourth Proportional to 19,668.32, 27,141.21 and 11,170.23

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Solution

The fourth proportional to 19,668.32, 27,141.21 and 11,170.23 is: 15,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.32 : 27,141.21 = 11,170.23 : x
  2. Step 2: Convert to fraction form
    19,668.32/27,141.21 = 11,170.23/x
  3. Step 3: Cross multiply
    19,668.32x = 27,141.21 × 11,170.23
  4. Step 4: Simplify right side
    19,668.32x = 303,173,558.18
  5. Step 5: Solve for x
    x = 303,173,558.18/19,668.32
  6. Step 6: Final answer
    x = 15,414.31

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Double scale
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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.