Home / 13,102.16-19,654.44-3,742.16

Finding the Fourth Proportional to 13,102.16, 19,654.44 and 3,742.16

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Solution

The fourth proportional to 13,102.16, 19,654.44 and 3,742.16 is: 5,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.16 : 19,654.44 = 3,742.16 : x
  2. Step 2: Convert to fraction form
    13,102.16/19,654.44 = 3,742.16/x
  3. Step 3: Cross multiply
    13,102.16x = 19,654.44 × 3,742.16
  4. Step 4: Simplify right side
    13,102.16x = 73,550,059.19
  5. Step 5: Solve for x
    x = 73,550,059.19/13,102.16
  6. Step 6: Final answer
    x = 5,613.58

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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.