Home / 19,905.57-29,623.39-19,241.27

Finding the Fourth Proportional to 19,905.57, 29,623.39 and 19,241.27

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Solution

The fourth proportional to 19,905.57, 29,623.39 and 19,241.27 is: 28,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.57 : 29,623.39 = 19,241.27 : x
  2. Step 2: Convert to fraction form
    19,905.57/29,623.39 = 19,241.27/x
  3. Step 3: Cross multiply
    19,905.57x = 29,623.39 × 19,241.27
  4. Step 4: Simplify right side
    19,905.57x = 569,991,645.31
  5. Step 5: Solve for x
    x = 569,991,645.31/19,905.57
  6. Step 6: Final answer
    x = 28,634.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.