Home / 13,165.94-19,748.68-5,770.98

Finding the Fourth Proportional to 13,165.94, 19,748.68 and 5,770.98

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Solution

The fourth proportional to 13,165.94, 19,748.68 and 5,770.98 is: 8,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.94 : 19,748.68 = 5,770.98 : x
  2. Step 2: Convert to fraction form
    13,165.94/19,748.68 = 5,770.98/x
  3. Step 3: Cross multiply
    13,165.94x = 19,748.68 × 5,770.98
  4. Step 4: Simplify right side
    13,165.94x = 113,969,222.88
  5. Step 5: Solve for x
    x = 113,969,222.88/13,165.94
  6. Step 6: Final answer
    x = 8,656.37

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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.