Home / 17,286.54-25,931.42-13,395.30

Finding the Fourth Proportional to 17,286.54, 25,931.42 and 13,395.30

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Solution

The fourth proportional to 17,286.54, 25,931.42 and 13,395.30 is: 20,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.54 : 25,931.42 = 13,395.30 : x
  2. Step 2: Convert to fraction form
    17,286.54/25,931.42 = 13,395.30/x
  3. Step 3: Cross multiply
    17,286.54x = 25,931.42 × 13,395.30
  4. Step 4: Simplify right side
    17,286.54x = 347,359,083.35
  5. Step 5: Solve for x
    x = 347,359,083.35/17,286.54
  6. Step 6: Final answer
    x = 20,094.19

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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.