Home / 14,169.14-19,553.16-9,692.75

Finding the Fourth Proportional to 14,169.14, 19,553.16 and 9,692.75

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Solution

The fourth proportional to 14,169.14, 19,553.16 and 9,692.75 is: 13,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.14 : 19,553.16 = 9,692.75 : x
  2. Step 2: Convert to fraction form
    14,169.14/19,553.16 = 9,692.75/x
  3. Step 3: Cross multiply
    14,169.14x = 19,553.16 × 9,692.75
  4. Step 4: Simplify right side
    14,169.14x = 189,523,866.83
  5. Step 5: Solve for x
    x = 189,523,866.83/14,169.14
  6. Step 6: Final answer
    x = 13,375.82

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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.