Home / 18,043.10-27,081.26-9,164.70

Finding the Fourth Proportional to 18,043.10, 27,081.26 and 9,164.70

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Solution

The fourth proportional to 18,043.10, 27,081.26 and 9,164.70 is: 13,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.10 : 27,081.26 = 9,164.70 : x
  2. Step 2: Convert to fraction form
    18,043.10/27,081.26 = 9,164.70/x
  3. Step 3: Cross multiply
    18,043.10x = 27,081.26 × 9,164.70
  4. Step 4: Simplify right side
    18,043.10x = 248,191,623.52
  5. Step 5: Solve for x
    x = 248,191,623.52/18,043.10
  6. Step 6: Final answer
    x = 13,755.49

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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.