Home / 31,653.48-47,467.26-11,922.12

Finding the Fourth Proportional to 31,653.48, 47,467.26 and 11,922.12

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Solution

The fourth proportional to 31,653.48, 47,467.26 and 11,922.12 is: 17,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.48 : 47,467.26 = 11,922.12 : x
  2. Step 2: Convert to fraction form
    31,653.48/47,467.26 = 11,922.12/x
  3. Step 3: Cross multiply
    31,653.48x = 47,467.26 × 11,922.12
  4. Step 4: Simplify right side
    31,653.48x = 565,910,369.79
  5. Step 5: Solve for x
    x = 565,910,369.79/31,653.48
  6. Step 6: Final answer
    x = 17,878.30

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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.