Home / 12,632.74-18,949.61-4,734.43

Finding the Fourth Proportional to 12,632.74, 18,949.61 and 4,734.43

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Solution

The fourth proportional to 12,632.74, 18,949.61 and 4,734.43 is: 7,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.74 : 18,949.61 = 4,734.43 : x
  2. Step 2: Convert to fraction form
    12,632.74/18,949.61 = 4,734.43/x
  3. Step 3: Cross multiply
    12,632.74x = 18,949.61 × 4,734.43
  4. Step 4: Simplify right side
    12,632.74x = 89,715,602.07
  5. Step 5: Solve for x
    x = 89,715,602.07/12,632.74
  6. Step 6: Final answer
    x = 7,101.83

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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.