Home / 17,958.62-26,939.67-6,120.74

Finding the Fourth Proportional to 17,958.62, 26,939.67 and 6,120.74

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Solution

The fourth proportional to 17,958.62, 26,939.67 and 6,120.74 is: 9,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.62 : 26,939.67 = 6,120.74 : x
  2. Step 2: Convert to fraction form
    17,958.62/26,939.67 = 6,120.74/x
  3. Step 3: Cross multiply
    17,958.62x = 26,939.67 × 6,120.74
  4. Step 4: Simplify right side
    17,958.62x = 164,890,715.76
  5. Step 5: Solve for x
    x = 164,890,715.76/17,958.62
  6. Step 6: Final answer
    x = 9,181.70

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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.