Home / 17,828.92-26,730.78-7,828.84

Finding the Fourth Proportional to 17,828.92, 26,730.78 and 7,828.84

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Solution

The fourth proportional to 17,828.92, 26,730.78 and 7,828.84 is: 11,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.92 : 26,730.78 = 7,828.84 : x
  2. Step 2: Convert to fraction form
    17,828.92/26,730.78 = 7,828.84/x
  3. Step 3: Cross multiply
    17,828.92x = 26,730.78 × 7,828.84
  4. Step 4: Simplify right side
    17,828.92x = 209,270,999.70
  5. Step 5: Solve for x
    x = 209,270,999.70/17,828.92
  6. Step 6: Final answer
    x = 11,737.73

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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.