Home / 18,477.74-27,723.50-11,087.51

Finding the Fourth Proportional to 18,477.74, 27,723.50 and 11,087.51

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Solution

The fourth proportional to 18,477.74, 27,723.50 and 11,087.51 is: 16,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.74 : 27,723.50 = 11,087.51 : x
  2. Step 2: Convert to fraction form
    18,477.74/27,723.50 = 11,087.51/x
  3. Step 3: Cross multiply
    18,477.74x = 27,723.50 × 11,087.51
  4. Step 4: Simplify right side
    18,477.74x = 307,384,472.59
  5. Step 5: Solve for x
    x = 307,384,472.59/18,477.74
  6. Step 6: Final answer
    x = 16,635.39

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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.