Home / 13,103.18-19,654.58-3,242.58

Finding the Fourth Proportional to 13,103.18, 19,654.58 and 3,242.58

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Solution

The fourth proportional to 13,103.18, 19,654.58 and 3,242.58 is: 4,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.18 : 19,654.58 = 3,242.58 : x
  2. Step 2: Convert to fraction form
    13,103.18/19,654.58 = 3,242.58/x
  3. Step 3: Cross multiply
    13,103.18x = 19,654.58 × 3,242.58
  4. Step 4: Simplify right side
    13,103.18x = 63,731,548.02
  5. Step 5: Solve for x
    x = 63,731,548.02/13,103.18
  6. Step 6: Final answer
    x = 4,863.82

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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.