Home / 19,588.13-29,385.84-6,449.73

Finding the Fourth Proportional to 19,588.13, 29,385.84 and 6,449.73

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Solution

The fourth proportional to 19,588.13, 29,385.84 and 6,449.73 is: 9,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.13 : 29,385.84 = 6,449.73 : x
  2. Step 2: Convert to fraction form
    19,588.13/29,385.84 = 6,449.73/x
  3. Step 3: Cross multiply
    19,588.13x = 29,385.84 × 6,449.73
  4. Step 4: Simplify right side
    19,588.13x = 189,530,647.81
  5. Step 5: Solve for x
    x = 189,530,647.81/19,588.13
  6. Step 6: Final answer
    x = 9,675.79

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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.