Home / 19,834.10-29,761.39-13,175.21

Finding the Fourth Proportional to 19,834.10, 29,761.39 and 13,175.21

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Solution

The fourth proportional to 19,834.10, 29,761.39 and 13,175.21 is: 19,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.10 : 29,761.39 = 13,175.21 : x
  2. Step 2: Convert to fraction form
    19,834.10/29,761.39 = 13,175.21/x
  3. Step 3: Cross multiply
    19,834.10x = 29,761.39 × 13,175.21
  4. Step 4: Simplify right side
    19,834.10x = 392,112,563.14
  5. Step 5: Solve for x
    x = 392,112,563.14/19,834.10
  6. Step 6: Final answer
    x = 19,769.62

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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.