Home / 18,726.26-28,081.60-7,625.42

Finding the Fourth Proportional to 18,726.26, 28,081.60 and 7,625.42

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Solution

The fourth proportional to 18,726.26, 28,081.60 and 7,625.42 is: 11,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.26 : 28,081.60 = 7,625.42 : x
  2. Step 2: Convert to fraction form
    18,726.26/28,081.60 = 7,625.42/x
  3. Step 3: Cross multiply
    18,726.26x = 28,081.60 × 7,625.42
  4. Step 4: Simplify right side
    18,726.26x = 214,133,994.27
  5. Step 5: Solve for x
    x = 214,133,994.27/18,726.26
  6. Step 6: Final answer
    x = 11,434.96

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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.