Home / 27,120.15-40,673.68-7,398.81

Finding the Fourth Proportional to 27,120.15, 40,673.68 and 7,398.81

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Solution

The fourth proportional to 27,120.15, 40,673.68 and 7,398.81 is: 11,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.15 : 40,673.68 = 7,398.81 : x
  2. Step 2: Convert to fraction form
    27,120.15/40,673.68 = 7,398.81/x
  3. Step 3: Cross multiply
    27,120.15x = 40,673.68 × 7,398.81
  4. Step 4: Simplify right side
    27,120.15x = 300,936,811.82
  5. Step 5: Solve for x
    x = 300,936,811.82/27,120.15
  6. Step 6: Final answer
    x = 11,096.43

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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.