Home / 19,162.32-28,735.27-6,678.65

Finding the Fourth Proportional to 19,162.32, 28,735.27 and 6,678.65

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Solution

The fourth proportional to 19,162.32, 28,735.27 and 6,678.65 is: 10,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.32 : 28,735.27 = 6,678.65 : x
  2. Step 2: Convert to fraction form
    19,162.32/28,735.27 = 6,678.65/x
  3. Step 3: Cross multiply
    19,162.32x = 28,735.27 × 6,678.65
  4. Step 4: Simplify right side
    19,162.32x = 191,912,633.92
  5. Step 5: Solve for x
    x = 191,912,633.92/19,162.32
  6. Step 6: Final answer
    x = 10,015.11

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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.