Home / 27,519.75-37,984.32-16,771.90

Finding the Fourth Proportional to 27,519.75, 37,984.32 and 16,771.90

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Solution

The fourth proportional to 27,519.75, 37,984.32 and 16,771.90 is: 23,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.75 : 37,984.32 = 16,771.90 : x
  2. Step 2: Convert to fraction form
    27,519.75/37,984.32 = 16,771.90/x
  3. Step 3: Cross multiply
    27,519.75x = 37,984.32 × 16,771.90
  4. Step 4: Simplify right side
    27,519.75x = 637,069,092.28
  5. Step 5: Solve for x
    x = 637,069,092.28/27,519.75
  6. Step 6: Final answer
    x = 23,149.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.