Home / 19,238.20-28,853.66-6,755.29

Finding the Fourth Proportional to 19,238.20, 28,853.66 and 6,755.29

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Solution

The fourth proportional to 19,238.20, 28,853.66 and 6,755.29 is: 10,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.20 : 28,853.66 = 6,755.29 : x
  2. Step 2: Convert to fraction form
    19,238.20/28,853.66 = 6,755.29/x
  3. Step 3: Cross multiply
    19,238.20x = 28,853.66 × 6,755.29
  4. Step 4: Simplify right side
    19,238.20x = 194,914,807.08
  5. Step 5: Solve for x
    x = 194,914,807.08/19,238.20
  6. Step 6: Final answer
    x = 10,131.66

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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.