Home / 13,031.17-19,546.75-5,238.16

Finding the Fourth Proportional to 13,031.17, 19,546.75 and 5,238.16

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Solution

The fourth proportional to 13,031.17, 19,546.75 and 5,238.16 is: 7,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.17 : 19,546.75 = 5,238.16 : x
  2. Step 2: Convert to fraction form
    13,031.17/19,546.75 = 5,238.16/x
  3. Step 3: Cross multiply
    13,031.17x = 19,546.75 × 5,238.16
  4. Step 4: Simplify right side
    13,031.17x = 102,388,906.25
  5. Step 5: Solve for x
    x = 102,388,906.25/13,031.17
  6. Step 6: Final answer
    x = 7,857.23

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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.