Home / 13,170.60-19,735.98-5,770.92

Finding the Fourth Proportional to 13,170.60, 19,735.98 and 5,770.92

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Solution

The fourth proportional to 13,170.60, 19,735.98 and 5,770.92 is: 8,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.60 : 19,735.98 = 5,770.92 : x
  2. Step 2: Convert to fraction form
    13,170.60/19,735.98 = 5,770.92/x
  3. Step 3: Cross multiply
    13,170.60x = 19,735.98 × 5,770.92
  4. Step 4: Simplify right side
    13,170.60x = 113,894,761.70
  5. Step 5: Solve for x
    x = 113,894,761.70/13,170.60
  6. Step 6: Final answer
    x = 8,647.65

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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.