Home / 19,162.92-26,439.12-12,091.62

Finding the Fourth Proportional to 19,162.92, 26,439.12 and 12,091.62

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Solution

The fourth proportional to 19,162.92, 26,439.12 and 12,091.62 is: 16,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.92 : 26,439.12 = 12,091.62 : x
  2. Step 2: Convert to fraction form
    19,162.92/26,439.12 = 12,091.62/x
  3. Step 3: Cross multiply
    19,162.92x = 26,439.12 × 12,091.62
  4. Step 4: Simplify right side
    19,162.92x = 319,691,792.17
  5. Step 5: Solve for x
    x = 319,691,792.17/19,162.92
  6. Step 6: Final answer
    x = 16,682.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.