Home / 19,739.08-29,565.42-12,792.52

Finding the Fourth Proportional to 19,739.08, 29,565.42 and 12,792.52

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Solution

The fourth proportional to 19,739.08, 29,565.42 and 12,792.52 is: 19,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.08 : 29,565.42 = 12,792.52 : x
  2. Step 2: Convert to fraction form
    19,739.08/29,565.42 = 12,792.52/x
  3. Step 3: Cross multiply
    19,739.08x = 29,565.42 × 12,792.52
  4. Step 4: Simplify right side
    19,739.08x = 378,216,226.66
  5. Step 5: Solve for x
    x = 378,216,226.66/19,739.08
  6. Step 6: Final answer
    x = 19,160.78

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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.