Home / 19,951.82-27,533.71-10,999.65

Finding the Fourth Proportional to 19,951.82, 27,533.71 and 10,999.65

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Solution

The fourth proportional to 19,951.82, 27,533.71 and 10,999.65 is: 15,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.82 : 27,533.71 = 10,999.65 : x
  2. Step 2: Convert to fraction form
    19,951.82/27,533.71 = 10,999.65/x
  3. Step 3: Cross multiply
    19,951.82x = 27,533.71 × 10,999.65
  4. Step 4: Simplify right side
    19,951.82x = 302,861,145.70
  5. Step 5: Solve for x
    x = 302,861,145.70/19,951.82
  6. Step 6: Final answer
    x = 15,179.62

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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.