Home / 19,648.08-29,471.68-7,961.36

Finding the Fourth Proportional to 19,648.08, 29,471.68 and 7,961.36

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Solution

The fourth proportional to 19,648.08, 29,471.68 and 7,961.36 is: 11,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.08 : 29,471.68 = 7,961.36 : x
  2. Step 2: Convert to fraction form
    19,648.08/29,471.68 = 7,961.36/x
  3. Step 3: Cross multiply
    19,648.08x = 29,471.68 × 7,961.36
  4. Step 4: Simplify right side
    19,648.08x = 234,634,654.28
  5. Step 5: Solve for x
    x = 234,634,654.28/19,648.08
  6. Step 6: Final answer
    x = 11,941.86

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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.