Home / 28,917.96-43,376.34-9,196.56

Finding the Fourth Proportional to 28,917.96, 43,376.34 and 9,196.56

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Solution

The fourth proportional to 28,917.96, 43,376.34 and 9,196.56 is: 13,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.96 : 43,376.34 = 9,196.56 : x
  2. Step 2: Convert to fraction form
    28,917.96/43,376.34 = 9,196.56/x
  3. Step 3: Cross multiply
    28,917.96x = 43,376.34 × 9,196.56
  4. Step 4: Simplify right side
    28,917.96x = 398,913,113.39
  5. Step 5: Solve for x
    x = 398,913,113.39/28,917.96
  6. Step 6: Final answer
    x = 13,794.65

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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.