Home / 16,135.72-22,206.61-13,650.50

Finding the Fourth Proportional to 16,135.72, 22,206.61 and 13,650.50

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Solution

The fourth proportional to 16,135.72, 22,206.61 and 13,650.50 is: 18,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.72 : 22,206.61 = 13,650.50 : x
  2. Step 2: Convert to fraction form
    16,135.72/22,206.61 = 13,650.50/x
  3. Step 3: Cross multiply
    16,135.72x = 22,206.61 × 13,650.50
  4. Step 4: Simplify right side
    16,135.72x = 303,131,329.81
  5. Step 5: Solve for x
    x = 303,131,329.81/16,135.72
  6. Step 6: Final answer
    x = 18,786.35

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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.