Home / 19,789.14-29,698.23-15,940.02

Finding the Fourth Proportional to 19,789.14, 29,698.23 and 15,940.02

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Solution

The fourth proportional to 19,789.14, 29,698.23 and 15,940.02 is: 23,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.14 : 29,698.23 = 15,940.02 : x
  2. Step 2: Convert to fraction form
    19,789.14/29,698.23 = 15,940.02/x
  3. Step 3: Cross multiply
    19,789.14x = 29,698.23 × 15,940.02
  4. Step 4: Simplify right side
    19,789.14x = 473,390,380.16
  5. Step 5: Solve for x
    x = 473,390,380.16/19,789.14
  6. Step 6: Final answer
    x = 23,921.73

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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.