Home / 19,609.56-29,385.75-9,082.80

Finding the Fourth Proportional to 19,609.56, 29,385.75 and 9,082.80

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Solution

The fourth proportional to 19,609.56, 29,385.75 and 9,082.80 is: 13,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.56 : 29,385.75 = 9,082.80 : x
  2. Step 2: Convert to fraction form
    19,609.56/29,385.75 = 9,082.80/x
  3. Step 3: Cross multiply
    19,609.56x = 29,385.75 × 9,082.80
  4. Step 4: Simplify right side
    19,609.56x = 266,904,890.10
  5. Step 5: Solve for x
    x = 266,904,890.10/19,609.56
  6. Step 6: Final answer
    x = 13,610.96

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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.