Home / 19,540.90-29,305.23-7,059.28

Finding the Fourth Proportional to 19,540.90, 29,305.23 and 7,059.28

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Solution

The fourth proportional to 19,540.90, 29,305.23 and 7,059.28 is: 10,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.90 : 29,305.23 = 7,059.28 : x
  2. Step 2: Convert to fraction form
    19,540.90/29,305.23 = 7,059.28/x
  3. Step 3: Cross multiply
    19,540.90x = 29,305.23 × 7,059.28
  4. Step 4: Simplify right side
    19,540.90x = 206,873,824.03
  5. Step 5: Solve for x
    x = 206,873,824.03/19,540.90
  6. Step 6: Final answer
    x = 10,586.71

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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.