Home / 27,657.81-41,482.13-11,865.38

Finding the Fourth Proportional to 27,657.81, 41,482.13 and 11,865.38

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Solution

The fourth proportional to 27,657.81, 41,482.13 and 11,865.38 is: 17,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.81 : 41,482.13 = 11,865.38 : x
  2. Step 2: Convert to fraction form
    27,657.81/41,482.13 = 11,865.38/x
  3. Step 3: Cross multiply
    27,657.81x = 41,482.13 × 11,865.38
  4. Step 4: Simplify right side
    27,657.81x = 492,200,968.92
  5. Step 5: Solve for x
    x = 492,200,968.92/27,657.81
  6. Step 6: Final answer
    x = 17,796.09

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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.