Home / 29,213.83-40,348.34-19,637.09

Finding the Fourth Proportional to 29,213.83, 40,348.34 and 19,637.09

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Solution

The fourth proportional to 29,213.83, 40,348.34 and 19,637.09 is: 27,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,213.83 : 40,348.34 = 19,637.09 : x
  2. Step 2: Convert to fraction form
    29,213.83/40,348.34 = 19,637.09/x
  3. Step 3: Cross multiply
    29,213.83x = 40,348.34 × 19,637.09
  4. Step 4: Simplify right side
    29,213.83x = 792,323,983.93
  5. Step 5: Solve for x
    x = 792,323,983.93/29,213.83
  6. Step 6: Final answer
    x = 27,121.54

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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.