Home / 17,135.88-23,638.38-10,423.56

Finding the Fourth Proportional to 17,135.88, 23,638.38 and 10,423.56

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Solution

The fourth proportional to 17,135.88, 23,638.38 and 10,423.56 is: 14,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.88 : 23,638.38 = 10,423.56 : x
  2. Step 2: Convert to fraction form
    17,135.88/23,638.38 = 10,423.56/x
  3. Step 3: Cross multiply
    17,135.88x = 23,638.38 × 10,423.56
  4. Step 4: Simplify right side
    17,135.88x = 246,396,072.23
  5. Step 5: Solve for x
    x = 246,396,072.23/17,135.88
  6. Step 6: Final answer
    x = 14,378.96

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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.