Home / 13,251.88-19,877.82-4,492.96

Finding the Fourth Proportional to 13,251.88, 19,877.82 and 4,492.96

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Solution

The fourth proportional to 13,251.88, 19,877.82 and 4,492.96 is: 6,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.88 : 19,877.82 = 4,492.96 : x
  2. Step 2: Convert to fraction form
    13,251.88/19,877.82 = 4,492.96/x
  3. Step 3: Cross multiply
    13,251.88x = 19,877.82 × 4,492.96
  4. Step 4: Simplify right side
    13,251.88x = 89,310,250.15
  5. Step 5: Solve for x
    x = 89,310,250.15/13,251.88
  6. Step 6: Final answer
    x = 6,739.44

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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.