Home / 13,172.27-19,741.14-11,502.18

Finding the Fourth Proportional to 13,172.27, 19,741.14 and 11,502.18

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Solution

The fourth proportional to 13,172.27, 19,741.14 and 11,502.18 is: 17,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.27 : 19,741.14 = 11,502.18 : x
  2. Step 2: Convert to fraction form
    13,172.27/19,741.14 = 11,502.18/x
  3. Step 3: Cross multiply
    13,172.27x = 19,741.14 × 11,502.18
  4. Step 4: Simplify right side
    13,172.27x = 227,066,145.69
  5. Step 5: Solve for x
    x = 227,066,145.69/13,172.27
  6. Step 6: Final answer
    x = 17,238.20

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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.