Home / 19,724.96-29,600.38-7,245.08

Finding the Fourth Proportional to 19,724.96, 29,600.38 and 7,245.08

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Solution

The fourth proportional to 19,724.96, 29,600.38 and 7,245.08 is: 10,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.96 : 29,600.38 = 7,245.08 : x
  2. Step 2: Convert to fraction form
    19,724.96/29,600.38 = 7,245.08/x
  3. Step 3: Cross multiply
    19,724.96x = 29,600.38 × 7,245.08
  4. Step 4: Simplify right side
    19,724.96x = 214,457,212.97
  5. Step 5: Solve for x
    x = 214,457,212.97/19,724.96
  6. Step 6: Final answer
    x = 10,872.38

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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.