Home / 13,162.18-19,748.76-5,771.95

Finding the Fourth Proportional to 13,162.18, 19,748.76 and 5,771.95

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Solution

The fourth proportional to 13,162.18, 19,748.76 and 5,771.95 is: 8,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.18 : 19,748.76 = 5,771.95 : x
  2. Step 2: Convert to fraction form
    13,162.18/19,748.76 = 5,771.95/x
  3. Step 3: Cross multiply
    13,162.18x = 19,748.76 × 5,771.95
  4. Step 4: Simplify right side
    13,162.18x = 113,988,855.28
  5. Step 5: Solve for x
    x = 113,988,855.28/13,162.18
  6. Step 6: Final answer
    x = 8,660.33

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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.