Home / 18,624.07-27,936.12-6,934.57

Finding the Fourth Proportional to 18,624.07, 27,936.12 and 6,934.57

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Solution

The fourth proportional to 18,624.07, 27,936.12 and 6,934.57 is: 10,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.07 : 27,936.12 = 6,934.57 : x
  2. Step 2: Convert to fraction form
    18,624.07/27,936.12 = 6,934.57/x
  3. Step 3: Cross multiply
    18,624.07x = 27,936.12 × 6,934.57
  4. Step 4: Simplify right side
    18,624.07x = 193,724,979.67
  5. Step 5: Solve for x
    x = 193,724,979.67/18,624.07
  6. Step 6: Final answer
    x = 10,401.86

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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.