Home / 19,091.80-28,606.38-18,362.80

Finding the Fourth Proportional to 19,091.80, 28,606.38 and 18,362.80

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Solution

The fourth proportional to 19,091.80, 28,606.38 and 18,362.80 is: 27,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.80 : 28,606.38 = 18,362.80 : x
  2. Step 2: Convert to fraction form
    19,091.80/28,606.38 = 18,362.80/x
  3. Step 3: Cross multiply
    19,091.80x = 28,606.38 × 18,362.80
  4. Step 4: Simplify right side
    19,091.80x = 525,293,234.66
  5. Step 5: Solve for x
    x = 525,293,234.66/19,091.80
  6. Step 6: Final answer
    x = 27,514.08

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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.