Home / 17,811.90-26,714.21-6,126.03

Finding the Fourth Proportional to 17,811.90, 26,714.21 and 6,126.03

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Solution

The fourth proportional to 17,811.90, 26,714.21 and 6,126.03 is: 9,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.90 : 26,714.21 = 6,126.03 : x
  2. Step 2: Convert to fraction form
    17,811.90/26,714.21 = 6,126.03/x
  3. Step 3: Cross multiply
    17,811.90x = 26,714.21 × 6,126.03
  4. Step 4: Simplify right side
    17,811.90x = 163,652,021.26
  5. Step 5: Solve for x
    x = 163,652,021.26/17,811.90
  6. Step 6: Final answer
    x = 9,187.79

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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.