Home / 17,736.88-26,576.04-7,861.36

Finding the Fourth Proportional to 17,736.88, 26,576.04 and 7,861.36

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Solution

The fourth proportional to 17,736.88, 26,576.04 and 7,861.36 is: 11,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.88 : 26,576.04 = 7,861.36 : x
  2. Step 2: Convert to fraction form
    17,736.88/26,576.04 = 7,861.36/x
  3. Step 3: Cross multiply
    17,736.88x = 26,576.04 × 7,861.36
  4. Step 4: Simplify right side
    17,736.88x = 208,923,817.81
  5. Step 5: Solve for x
    x = 208,923,817.81/17,736.88
  6. Step 6: Final answer
    x = 11,779.06

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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.