Home / 17,655.30-26,474.40-10,261.89

Finding the Fourth Proportional to 17,655.30, 26,474.40 and 10,261.89

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Solution

The fourth proportional to 17,655.30, 26,474.40 and 10,261.89 is: 15,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.30 : 26,474.40 = 10,261.89 : x
  2. Step 2: Convert to fraction form
    17,655.30/26,474.40 = 10,261.89/x
  3. Step 3: Cross multiply
    17,655.30x = 26,474.40 × 10,261.89
  4. Step 4: Simplify right side
    17,655.30x = 271,677,380.62
  5. Step 5: Solve for x
    x = 271,677,380.62/17,655.30
  6. Step 6: Final answer
    x = 15,387.87

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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.