Home / 25,442.87-38,137.35-8,559.80

Finding the Fourth Proportional to 25,442.87, 38,137.35 and 8,559.80

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Solution

The fourth proportional to 25,442.87, 38,137.35 and 8,559.80 is: 12,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.87 : 38,137.35 = 8,559.80 : x
  2. Step 2: Convert to fraction form
    25,442.87/38,137.35 = 8,559.80/x
  3. Step 3: Cross multiply
    25,442.87x = 38,137.35 × 8,559.80
  4. Step 4: Simplify right side
    25,442.87x = 326,447,893.47
  5. Step 5: Solve for x
    x = 326,447,893.47/25,442.87
  6. Step 6: Final answer
    x = 12,830.63

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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.