Home / 18,926.88-25,929.94-18,217.47

Finding the Fourth Proportional to 18,926.88, 25,929.94 and 18,217.47

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Solution

The fourth proportional to 18,926.88, 25,929.94 and 18,217.47 is: 24,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.88 : 25,929.94 = 18,217.47 : x
  2. Step 2: Convert to fraction form
    18,926.88/25,929.94 = 18,217.47/x
  3. Step 3: Cross multiply
    18,926.88x = 25,929.94 × 18,217.47
  4. Step 4: Simplify right side
    18,926.88x = 472,377,904.05
  5. Step 5: Solve for x
    x = 472,377,904.05/18,926.88
  6. Step 6: Final answer
    x = 24,958.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.