Home / 16,065.57-22,170.69-9,692.49

Finding the Fourth Proportional to 16,065.57, 22,170.69 and 9,692.49

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Solution

The fourth proportional to 16,065.57, 22,170.69 and 9,692.49 is: 13,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.57 : 22,170.69 = 9,692.49 : x
  2. Step 2: Convert to fraction form
    16,065.57/22,170.69 = 9,692.49/x
  3. Step 3: Cross multiply
    16,065.57x = 22,170.69 × 9,692.49
  4. Step 4: Simplify right side
    16,065.57x = 214,889,191.12
  5. Step 5: Solve for x
    x = 214,889,191.12/16,065.57
  6. Step 6: Final answer
    x = 13,375.76

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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.