Home / 25,666.27-38,500.77-8,137.47

Finding the Fourth Proportional to 25,666.27, 38,500.77 and 8,137.47

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Solution

The fourth proportional to 25,666.27, 38,500.77 and 8,137.47 is: 12,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.27 : 38,500.77 = 8,137.47 : x
  2. Step 2: Convert to fraction form
    25,666.27/38,500.77 = 8,137.47/x
  3. Step 3: Cross multiply
    25,666.27x = 38,500.77 × 8,137.47
  4. Step 4: Simplify right side
    25,666.27x = 313,298,860.85
  5. Step 5: Solve for x
    x = 313,298,860.85/25,666.27
  6. Step 6: Final answer
    x = 12,206.64

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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.