Home / 18,046.96-27,084.48-11,805.28

Finding the Fourth Proportional to 18,046.96, 27,084.48 and 11,805.28

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Solution

The fourth proportional to 18,046.96, 27,084.48 and 11,805.28 is: 17,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.96 : 27,084.48 = 11,805.28 : x
  2. Step 2: Convert to fraction form
    18,046.96/27,084.48 = 11,805.28/x
  3. Step 3: Cross multiply
    18,046.96x = 27,084.48 × 11,805.28
  4. Step 4: Simplify right side
    18,046.96x = 319,739,870.05
  5. Step 5: Solve for x
    x = 319,739,870.05/18,046.96
  6. Step 6: Final answer
    x = 17,717.10

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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.