Home / 19,371.12-29,053.56-5,516.88

Finding the Fourth Proportional to 19,371.12, 29,053.56 and 5,516.88

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Solution

The fourth proportional to 19,371.12, 29,053.56 and 5,516.88 is: 8,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.12 : 29,053.56 = 5,516.88 : x
  2. Step 2: Convert to fraction form
    19,371.12/29,053.56 = 5,516.88/x
  3. Step 3: Cross multiply
    19,371.12x = 29,053.56 × 5,516.88
  4. Step 4: Simplify right side
    19,371.12x = 160,285,004.09
  5. Step 5: Solve for x
    x = 160,285,004.09/19,371.12
  6. Step 6: Final answer
    x = 8,274.43

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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.