Home / 19,762.22-29,623.08-12,739.52

Finding the Fourth Proportional to 19,762.22, 29,623.08 and 12,739.52

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Solution

The fourth proportional to 19,762.22, 29,623.08 and 12,739.52 is: 19,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.22 : 29,623.08 = 12,739.52 : x
  2. Step 2: Convert to fraction form
    19,762.22/29,623.08 = 12,739.52/x
  3. Step 3: Cross multiply
    19,762.22x = 29,623.08 × 12,739.52
  4. Step 4: Simplify right side
    19,762.22x = 377,383,820.12
  5. Step 5: Solve for x
    x = 377,383,820.12/19,762.22
  6. Step 6: Final answer
    x = 19,096.23

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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.