Home / 17,063.72-25,686.11-12,167.24

Finding the Fourth Proportional to 17,063.72, 25,686.11 and 12,167.24

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Solution

The fourth proportional to 17,063.72, 25,686.11 and 12,167.24 is: 18,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.72 : 25,686.11 = 12,167.24 : x
  2. Step 2: Convert to fraction form
    17,063.72/25,686.11 = 12,167.24/x
  3. Step 3: Cross multiply
    17,063.72x = 25,686.11 × 12,167.24
  4. Step 4: Simplify right side
    17,063.72x = 312,529,065.04
  5. Step 5: Solve for x
    x = 312,529,065.04/17,063.72
  6. Step 6: Final answer
    x = 18,315.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.