Home / 28,755.09-43,134.45-9,034.43

Finding the Fourth Proportional to 28,755.09, 43,134.45 and 9,034.43

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Solution

The fourth proportional to 28,755.09, 43,134.45 and 9,034.43 is: 13,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.09 : 43,134.45 = 9,034.43 : x
  2. Step 2: Convert to fraction form
    28,755.09/43,134.45 = 9,034.43/x
  3. Step 3: Cross multiply
    28,755.09x = 43,134.45 × 9,034.43
  4. Step 4: Simplify right side
    28,755.09x = 389,694,953.44
  5. Step 5: Solve for x
    x = 389,694,953.44/28,755.09
  6. Step 6: Final answer
    x = 13,552.21

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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.