Home / 18,461.92-27,708.60-7,376.38

Finding the Fourth Proportional to 18,461.92, 27,708.60 and 7,376.38

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Solution

The fourth proportional to 18,461.92, 27,708.60 and 7,376.38 is: 11,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.92 : 27,708.60 = 7,376.38 : x
  2. Step 2: Convert to fraction form
    18,461.92/27,708.60 = 7,376.38/x
  3. Step 3: Cross multiply
    18,461.92x = 27,708.60 × 7,376.38
  4. Step 4: Simplify right side
    18,461.92x = 204,389,162.87
  5. Step 5: Solve for x
    x = 204,389,162.87/18,461.92
  6. Step 6: Final answer
    x = 11,070.85

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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.