Home / 25,940.52-38,885.76-8,398.44

Finding the Fourth Proportional to 25,940.52, 38,885.76 and 8,398.44

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Solution

The fourth proportional to 25,940.52, 38,885.76 and 8,398.44 is: 12,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.52 : 38,885.76 = 8,398.44 : x
  2. Step 2: Convert to fraction form
    25,940.52/38,885.76 = 8,398.44/x
  3. Step 3: Cross multiply
    25,940.52x = 38,885.76 × 8,398.44
  4. Step 4: Simplify right side
    25,940.52x = 326,579,722.21
  5. Step 5: Solve for x
    x = 326,579,722.21/25,940.52
  6. Step 6: Final answer
    x = 12,589.56

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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.