Home / 13,102.18-19,654.23-3,742.99

Finding the Fourth Proportional to 13,102.18, 19,654.23 and 3,742.99

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Solution

The fourth proportional to 13,102.18, 19,654.23 and 3,742.99 is: 5,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.18 : 19,654.23 = 3,742.99 : x
  2. Step 2: Convert to fraction form
    13,102.18/19,654.23 = 3,742.99/x
  3. Step 3: Cross multiply
    13,102.18x = 19,654.23 × 3,742.99
  4. Step 4: Simplify right side
    13,102.18x = 73,565,488.08
  5. Step 5: Solve for x
    x = 73,565,488.08/13,102.18
  6. Step 6: Final answer
    x = 5,614.75

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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.