Home / 18,145.73-27,211.56-7,050.96

Finding the Fourth Proportional to 18,145.73, 27,211.56 and 7,050.96

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Solution

The fourth proportional to 18,145.73, 27,211.56 and 7,050.96 is: 10,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.73 : 27,211.56 = 7,050.96 : x
  2. Step 2: Convert to fraction form
    18,145.73/27,211.56 = 7,050.96/x
  3. Step 3: Cross multiply
    18,145.73x = 27,211.56 × 7,050.96
  4. Step 4: Simplify right side
    18,145.73x = 191,867,621.10
  5. Step 5: Solve for x
    x = 191,867,621.10/18,145.73
  6. Step 6: Final answer
    x = 10,573.71

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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.