Home / 28,305.99-42,467.85-11,673.86

Finding the Fourth Proportional to 28,305.99, 42,467.85 and 11,673.86

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Solution

The fourth proportional to 28,305.99, 42,467.85 and 11,673.86 is: 17,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.99 : 42,467.85 = 11,673.86 : x
  2. Step 2: Convert to fraction form
    28,305.99/42,467.85 = 11,673.86/x
  3. Step 3: Cross multiply
    28,305.99x = 42,467.85 × 11,673.86
  4. Step 4: Simplify right side
    28,305.99x = 495,763,523.06
  5. Step 5: Solve for x
    x = 495,763,523.06/28,305.99
  6. Step 6: Final answer
    x = 17,514.44

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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.