Home / 14,171.19-19,556.27-7,883.57

Finding the Fourth Proportional to 14,171.19, 19,556.27 and 7,883.57

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Solution

The fourth proportional to 14,171.19, 19,556.27 and 7,883.57 is: 10,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.19 : 19,556.27 = 7,883.57 : x
  2. Step 2: Convert to fraction form
    14,171.19/19,556.27 = 7,883.57/x
  3. Step 3: Cross multiply
    14,171.19x = 19,556.27 × 7,883.57
  4. Step 4: Simplify right side
    14,171.19x = 154,173,086.28
  5. Step 5: Solve for x
    x = 154,173,086.28/14,171.19
  6. Step 6: Final answer
    x = 10,879.33

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Half scale
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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.