Home / 14,272.20-19,692.99-8,301.69

Finding the Fourth Proportional to 14,272.20, 19,692.99 and 8,301.69

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Solution

The fourth proportional to 14,272.20, 19,692.99 and 8,301.69 is: 11,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.20 : 19,692.99 = 8,301.69 : x
  2. Step 2: Convert to fraction form
    14,272.20/19,692.99 = 8,301.69/x
  3. Step 3: Cross multiply
    14,272.20x = 19,692.99 × 8,301.69
  4. Step 4: Simplify right side
    14,272.20x = 163,485,098.15
  5. Step 5: Solve for x
    x = 163,485,098.15/14,272.20
  6. Step 6: Final answer
    x = 11,454.79

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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.