Home / 13,983.96-19,296.72-8,676.84

Finding the Fourth Proportional to 13,983.96, 19,296.72 and 8,676.84

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Solution

The fourth proportional to 13,983.96, 19,296.72 and 8,676.84 is: 11,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.96 : 19,296.72 = 8,676.84 : x
  2. Step 2: Convert to fraction form
    13,983.96/19,296.72 = 8,676.84/x
  3. Step 3: Cross multiply
    13,983.96x = 19,296.72 × 8,676.84
  4. Step 4: Simplify right side
    13,983.96x = 167,434,551.96
  5. Step 5: Solve for x
    x = 167,434,551.96/13,983.96
  6. Step 6: Final answer
    x = 11,973.33

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Double scale
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Similar ratio
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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.