Home / 15,177.06-20,944.22-8,462.75

Finding the Fourth Proportional to 15,177.06, 20,944.22 and 8,462.75

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Solution

The fourth proportional to 15,177.06, 20,944.22 and 8,462.75 is: 11,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.06 : 20,944.22 = 8,462.75 : x
  2. Step 2: Convert to fraction form
    15,177.06/20,944.22 = 8,462.75/x
  3. Step 3: Cross multiply
    15,177.06x = 20,944.22 × 8,462.75
  4. Step 4: Simplify right side
    15,177.06x = 177,245,550.77
  5. Step 5: Solve for x
    x = 177,245,550.77/15,177.06
  6. Step 6: Final answer
    x = 11,678.52

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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.