Home / 19,755.76-29,634.18-6,605.68

Finding the Fourth Proportional to 19,755.76, 29,634.18 and 6,605.68

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Solution

The fourth proportional to 19,755.76, 29,634.18 and 6,605.68 is: 9,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.76 : 29,634.18 = 6,605.68 : x
  2. Step 2: Convert to fraction form
    19,755.76/29,634.18 = 6,605.68/x
  3. Step 3: Cross multiply
    19,755.76x = 29,634.18 × 6,605.68
  4. Step 4: Simplify right side
    19,755.76x = 195,753,910.14
  5. Step 5: Solve for x
    x = 195,753,910.14/19,755.76
  6. Step 6: Final answer
    x = 9,908.70

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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.