Home / 18,276.70-27,366.45-11,667.10

Finding the Fourth Proportional to 18,276.70, 27,366.45 and 11,667.10

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Solution

The fourth proportional to 18,276.70, 27,366.45 and 11,667.10 is: 17,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.70 : 27,366.45 = 11,667.10 : x
  2. Step 2: Convert to fraction form
    18,276.70/27,366.45 = 11,667.10/x
  3. Step 3: Cross multiply
    18,276.70x = 27,366.45 × 11,667.10
  4. Step 4: Simplify right side
    18,276.70x = 319,287,108.80
  5. Step 5: Solve for x
    x = 319,287,108.80/18,276.70
  6. Step 6: Final answer
    x = 17,469.63

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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.