Home / 14,184.82-21,244.43-13,692.75

Finding the Fourth Proportional to 14,184.82, 21,244.43 and 13,692.75

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Solution

The fourth proportional to 14,184.82, 21,244.43 and 13,692.75 is: 20,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.82 : 21,244.43 = 13,692.75 : x
  2. Step 2: Convert to fraction form
    14,184.82/21,244.43 = 13,692.75/x
  3. Step 3: Cross multiply
    14,184.82x = 21,244.43 × 13,692.75
  4. Step 4: Simplify right side
    14,184.82x = 290,894,546.43
  5. Step 5: Solve for x
    x = 290,894,546.43/14,184.82
  6. Step 6: Final answer
    x = 20,507.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.