Home / 19,159.26-28,540.88-18,578.94

Finding the Fourth Proportional to 19,159.26, 28,540.88 and 18,578.94

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Solution

The fourth proportional to 19,159.26, 28,540.88 and 18,578.94 is: 27,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.26 : 28,540.88 = 18,578.94 : x
  2. Step 2: Convert to fraction form
    19,159.26/28,540.88 = 18,578.94/x
  3. Step 3: Cross multiply
    19,159.26x = 28,540.88 × 18,578.94
  4. Step 4: Simplify right side
    19,159.26x = 530,259,204.17
  5. Step 5: Solve for x
    x = 530,259,204.17/19,159.26
  6. Step 6: Final answer
    x = 27,676.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.