Home / 13,116.72-19,677.96-3,883.44

Finding the Fourth Proportional to 13,116.72, 19,677.96 and 3,883.44

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Solution

The fourth proportional to 13,116.72, 19,677.96 and 3,883.44 is: 5,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.72 : 19,677.96 = 3,883.44 : x
  2. Step 2: Convert to fraction form
    13,116.72/19,677.96 = 3,883.44/x
  3. Step 3: Cross multiply
    13,116.72x = 19,677.96 × 3,883.44
  4. Step 4: Simplify right side
    13,116.72x = 76,418,176.98
  5. Step 5: Solve for x
    x = 76,418,176.98/13,116.72
  6. Step 6: Final answer
    x = 5,826.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.