Home / 17,610.35-26,419.64-5,130.61

Finding the Fourth Proportional to 17,610.35, 26,419.64 and 5,130.61

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Solution

The fourth proportional to 17,610.35, 26,419.64 and 5,130.61 is: 7,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.35 : 26,419.64 = 5,130.61 : x
  2. Step 2: Convert to fraction form
    17,610.35/26,419.64 = 5,130.61/x
  3. Step 3: Cross multiply
    17,610.35x = 26,419.64 × 5,130.61
  4. Step 4: Simplify right side
    17,610.35x = 135,548,777.48
  5. Step 5: Solve for x
    x = 135,548,777.48/17,610.35
  6. Step 6: Final answer
    x = 7,697.11

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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.