Home / 27,406.81-41,114.52-11,611.89

Finding the Fourth Proportional to 27,406.81, 41,114.52 and 11,611.89

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Solution

The fourth proportional to 27,406.81, 41,114.52 and 11,611.89 is: 17,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.81 : 41,114.52 = 11,611.89 : x
  2. Step 2: Convert to fraction form
    27,406.81/41,114.52 = 11,611.89/x
  3. Step 3: Cross multiply
    27,406.81x = 41,114.52 × 11,611.89
  4. Step 4: Simplify right side
    27,406.81x = 477,417,283.64
  5. Step 5: Solve for x
    x = 477,417,283.64/27,406.81
  6. Step 6: Final answer
    x = 17,419.66

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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.