Home / 19,728.33-29,583.23-7,239.65

Finding the Fourth Proportional to 19,728.33, 29,583.23 and 7,239.65

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Solution

The fourth proportional to 19,728.33, 29,583.23 and 7,239.65 is: 10,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.33 : 29,583.23 = 7,239.65 : x
  2. Step 2: Convert to fraction form
    19,728.33/29,583.23 = 7,239.65/x
  3. Step 3: Cross multiply
    19,728.33x = 29,583.23 × 7,239.65
  4. Step 4: Simplify right side
    19,728.33x = 214,172,185.04
  5. Step 5: Solve for x
    x = 214,172,185.04/19,728.33
  6. Step 6: Final answer
    x = 10,856.07

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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.