Home / 43,369.08-65,053.62-13,786.92

Finding the Fourth Proportional to 43,369.08, 65,053.62 and 13,786.92

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Solution

The fourth proportional to 43,369.08, 65,053.62 and 13,786.92 is: 20,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,369.08 : 65,053.62 = 13,786.92 : x
  2. Step 2: Convert to fraction form
    43,369.08/65,053.62 = 13,786.92/x
  3. Step 3: Cross multiply
    43,369.08x = 65,053.62 × 13,786.92
  4. Step 4: Simplify right side
    43,369.08x = 896,889,054.65
  5. Step 5: Solve for x
    x = 896,889,054.65/43,369.08
  6. Step 6: Final answer
    x = 20,680.38

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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.