Home / 34,605.67-47,755.84-18,690.12

Finding the Fourth Proportional to 34,605.67, 47,755.84 and 18,690.12

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Solution

The fourth proportional to 34,605.67, 47,755.84 and 18,690.12 is: 25,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.67 : 47,755.84 = 18,690.12 : x
  2. Step 2: Convert to fraction form
    34,605.67/47,755.84 = 18,690.12/x
  3. Step 3: Cross multiply
    34,605.67x = 47,755.84 × 18,690.12
  4. Step 4: Simplify right side
    34,605.67x = 892,562,260.59
  5. Step 5: Solve for x
    x = 892,562,260.59/34,605.67
  6. Step 6: Final answer
    x = 25,792.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.