Home / 19,816.12-29,728.07-7,336.25

Finding the Fourth Proportional to 19,816.12, 29,728.07 and 7,336.25

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Solution

The fourth proportional to 19,816.12, 29,728.07 and 7,336.25 is: 11,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.12 : 29,728.07 = 7,336.25 : x
  2. Step 2: Convert to fraction form
    19,816.12/29,728.07 = 7,336.25/x
  3. Step 3: Cross multiply
    19,816.12x = 29,728.07 × 7,336.25
  4. Step 4: Simplify right side
    19,816.12x = 218,092,553.54
  5. Step 5: Solve for x
    x = 218,092,553.54/19,816.12
  6. Step 6: Final answer
    x = 11,005.82

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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.