Home / 18,461.49-27,675.77-6,771.99

Finding the Fourth Proportional to 18,461.49, 27,675.77 and 6,771.99

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Solution

The fourth proportional to 18,461.49, 27,675.77 and 6,771.99 is: 10,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.49 : 27,675.77 = 6,771.99 : x
  2. Step 2: Convert to fraction form
    18,461.49/27,675.77 = 6,771.99/x
  3. Step 3: Cross multiply
    18,461.49x = 27,675.77 × 6,771.99
  4. Step 4: Simplify right side
    18,461.49x = 187,420,003.82
  5. Step 5: Solve for x
    x = 187,420,003.82/18,461.49
  6. Step 6: Final answer
    x = 10,151.94

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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.