Home / 18,920.62-26,114.97-10,967.23

Finding the Fourth Proportional to 18,920.62, 26,114.97 and 10,967.23

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Solution

The fourth proportional to 18,920.62, 26,114.97 and 10,967.23 is: 15,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.62 : 26,114.97 = 10,967.23 : x
  2. Step 2: Convert to fraction form
    18,920.62/26,114.97 = 10,967.23/x
  3. Step 3: Cross multiply
    18,920.62x = 26,114.97 × 10,967.23
  4. Step 4: Simplify right side
    18,920.62x = 286,408,882.43
  5. Step 5: Solve for x
    x = 286,408,882.43/18,920.62
  6. Step 6: Final answer
    x = 15,137.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.