Home / 27,659.70-38,173.82-16,902.36

Finding the Fourth Proportional to 27,659.70, 38,173.82 and 16,902.36

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Solution

The fourth proportional to 27,659.70, 38,173.82 and 16,902.36 is: 23,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.70 : 38,173.82 = 16,902.36 : x
  2. Step 2: Convert to fraction form
    27,659.70/38,173.82 = 16,902.36/x
  3. Step 3: Cross multiply
    27,659.70x = 38,173.82 × 16,902.36
  4. Step 4: Simplify right side
    27,659.70x = 645,227,563.70
  5. Step 5: Solve for x
    x = 645,227,563.70/27,659.70
  6. Step 6: Final answer
    x = 23,327.35

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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.