Home / 17,642.10-26,469.27-11,742.66

Finding the Fourth Proportional to 17,642.10, 26,469.27 and 11,742.66

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Solution

The fourth proportional to 17,642.10, 26,469.27 and 11,742.66 is: 17,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.10 : 26,469.27 = 11,742.66 : x
  2. Step 2: Convert to fraction form
    17,642.10/26,469.27 = 11,742.66/x
  3. Step 3: Cross multiply
    17,642.10x = 26,469.27 × 11,742.66
  4. Step 4: Simplify right side
    17,642.10x = 310,819,638.06
  5. Step 5: Solve for x
    x = 310,819,638.06/17,642.10
  6. Step 6: Final answer
    x = 17,618.06

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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.