Home / 16,855.29-23,255.51-10,137.56

Finding the Fourth Proportional to 16,855.29, 23,255.51 and 10,137.56

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Solution

The fourth proportional to 16,855.29, 23,255.51 and 10,137.56 is: 13,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.29 : 23,255.51 = 10,137.56 : x
  2. Step 2: Convert to fraction form
    16,855.29/23,255.51 = 10,137.56/x
  3. Step 3: Cross multiply
    16,855.29x = 23,255.51 × 10,137.56
  4. Step 4: Simplify right side
    16,855.29x = 235,753,960.99
  5. Step 5: Solve for x
    x = 235,753,960.99/16,855.29
  6. Step 6: Final answer
    x = 13,986.94

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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.