Home / 31,506.56-47,268.04-11,786.65

Finding the Fourth Proportional to 31,506.56, 47,268.04 and 11,786.65

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Solution

The fourth proportional to 31,506.56, 47,268.04 and 11,786.65 is: 17,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.56 : 47,268.04 = 11,786.65 : x
  2. Step 2: Convert to fraction form
    31,506.56/47,268.04 = 11,786.65/x
  3. Step 3: Cross multiply
    31,506.56x = 47,268.04 × 11,786.65
  4. Step 4: Simplify right side
    31,506.56x = 557,131,843.67
  5. Step 5: Solve for x
    x = 557,131,843.67/31,506.56
  6. Step 6: Final answer
    x = 17,683.04

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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.