Home / 19,418.16-29,082.84-11,610.96

Finding the Fourth Proportional to 19,418.16, 29,082.84 and 11,610.96

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Solution

The fourth proportional to 19,418.16, 29,082.84 and 11,610.96 is: 17,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.16 : 29,082.84 = 11,610.96 : x
  2. Step 2: Convert to fraction form
    19,418.16/29,082.84 = 11,610.96/x
  3. Step 3: Cross multiply
    19,418.16x = 29,082.84 × 11,610.96
  4. Step 4: Simplify right side
    19,418.16x = 337,679,691.93
  5. Step 5: Solve for x
    x = 337,679,691.93/19,418.16
  6. Step 6: Final answer
    x = 17,389.89

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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.