Home / 19,746.96-29,620.44-7,906.07

Finding the Fourth Proportional to 19,746.96, 29,620.44 and 7,906.07

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Solution

The fourth proportional to 19,746.96, 29,620.44 and 7,906.07 is: 11,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.96 : 29,620.44 = 7,906.07 : x
  2. Step 2: Convert to fraction form
    19,746.96/29,620.44 = 7,906.07/x
  3. Step 3: Cross multiply
    19,746.96x = 29,620.44 × 7,906.07
  4. Step 4: Simplify right side
    19,746.96x = 234,181,272.07
  5. Step 5: Solve for x
    x = 234,181,272.07/19,746.96
  6. Step 6: Final answer
    x = 11,859.11

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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.