Home / 26,790.99-40,177.25-10,991.56

Finding the Fourth Proportional to 26,790.99, 40,177.25 and 10,991.56

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Solution

The fourth proportional to 26,790.99, 40,177.25 and 10,991.56 is: 16,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.99 : 40,177.25 = 10,991.56 : x
  2. Step 2: Convert to fraction form
    26,790.99/40,177.25 = 10,991.56/x
  3. Step 3: Cross multiply
    26,790.99x = 40,177.25 × 10,991.56
  4. Step 4: Simplify right side
    26,790.99x = 441,610,654.01
  5. Step 5: Solve for x
    x = 441,610,654.01/26,790.99
  6. Step 6: Final answer
    x = 16,483.55

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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.