Home / 19,633.79-29,440.21-10,251.11

Finding the Fourth Proportional to 19,633.79, 29,440.21 and 10,251.11

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Solution

The fourth proportional to 19,633.79, 29,440.21 and 10,251.11 is: 15,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.79 : 29,440.21 = 10,251.11 : x
  2. Step 2: Convert to fraction form
    19,633.79/29,440.21 = 10,251.11/x
  3. Step 3: Cross multiply
    19,633.79x = 29,440.21 × 10,251.11
  4. Step 4: Simplify right side
    19,633.79x = 301,794,732.73
  5. Step 5: Solve for x
    x = 301,794,732.73/19,633.79
  6. Step 6: Final answer
    x = 15,371.19

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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.