Home / 43,832.88-65,760.36-12,667.92

Finding the Fourth Proportional to 43,832.88, 65,760.36 and 12,667.92

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Solution

The fourth proportional to 43,832.88, 65,760.36 and 12,667.92 is: 19,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,832.88 : 65,760.36 = 12,667.92 : x
  2. Step 2: Convert to fraction form
    43,832.88/65,760.36 = 12,667.92/x
  3. Step 3: Cross multiply
    43,832.88x = 65,760.36 × 12,667.92
  4. Step 4: Simplify right side
    43,832.88x = 833,046,979.65
  5. Step 5: Solve for x
    x = 833,046,979.65/43,832.88
  6. Step 6: Final answer
    x = 19,005.07

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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.