Home / 23,739.22-32,760.34-13,129.56

Finding the Fourth Proportional to 23,739.22, 32,760.34 and 13,129.56

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Solution

The fourth proportional to 23,739.22, 32,760.34 and 13,129.56 is: 18,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,739.22 : 32,760.34 = 13,129.56 : x
  2. Step 2: Convert to fraction form
    23,739.22/32,760.34 = 13,129.56/x
  3. Step 3: Cross multiply
    23,739.22x = 32,760.34 × 13,129.56
  4. Step 4: Simplify right side
    23,739.22x = 430,128,849.65
  5. Step 5: Solve for x
    x = 430,128,849.65/23,739.22
  6. Step 6: Final answer
    x = 18,118.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.