Home / 13,827.91-19,084.16-8,730.83

Finding the Fourth Proportional to 13,827.91, 19,084.16 and 8,730.83

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Solution

The fourth proportional to 13,827.91, 19,084.16 and 8,730.83 is: 12,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.91 : 19,084.16 = 8,730.83 : x
  2. Step 2: Convert to fraction form
    13,827.91/19,084.16 = 8,730.83/x
  3. Step 3: Cross multiply
    13,827.91x = 19,084.16 × 8,730.83
  4. Step 4: Simplify right side
    13,827.91x = 166,620,556.65
  5. Step 5: Solve for x
    x = 166,620,556.65/13,827.91
  6. Step 6: Final answer
    x = 12,049.58

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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.