Home / 18,260.90-27,456.55-16,817.48

Finding the Fourth Proportional to 18,260.90, 27,456.55 and 16,817.48

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Solution

The fourth proportional to 18,260.90, 27,456.55 and 16,817.48 is: 25,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.90 : 27,456.55 = 16,817.48 : x
  2. Step 2: Convert to fraction form
    18,260.90/27,456.55 = 16,817.48/x
  3. Step 3: Cross multiply
    18,260.90x = 27,456.55 × 16,817.48
  4. Step 4: Simplify right side
    18,260.90x = 461,749,801.17
  5. Step 5: Solve for x
    x = 461,749,801.17/18,260.90
  6. Step 6: Final answer
    x = 25,286.26

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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.