Home / 36,899.04-55,321.89-14,390.65

Finding the Fourth Proportional to 36,899.04, 55,321.89 and 14,390.65

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Solution

The fourth proportional to 36,899.04, 55,321.89 and 14,390.65 is: 21,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.04 : 55,321.89 = 14,390.65 : x
  2. Step 2: Convert to fraction form
    36,899.04/55,321.89 = 14,390.65/x
  3. Step 3: Cross multiply
    36,899.04x = 55,321.89 × 14,390.65
  4. Step 4: Simplify right side
    36,899.04x = 796,117,660.33
  5. Step 5: Solve for x
    x = 796,117,660.33/36,899.04
  6. Step 6: Final answer
    x = 21,575.56

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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.