Home / 17,137.08-23,679.96-13,369.68

Finding the Fourth Proportional to 17,137.08, 23,679.96 and 13,369.68

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Solution

The fourth proportional to 17,137.08, 23,679.96 and 13,369.68 is: 18,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.08 : 23,679.96 = 13,369.68 : x
  2. Step 2: Convert to fraction form
    17,137.08/23,679.96 = 13,369.68/x
  3. Step 3: Cross multiply
    17,137.08x = 23,679.96 × 13,369.68
  4. Step 4: Simplify right side
    17,137.08x = 316,593,487.61
  5. Step 5: Solve for x
    x = 316,593,487.61/17,137.08
  6. Step 6: Final answer
    x = 18,474.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.