Home / 23,934.32-33,021.60-13,321.88

Finding the Fourth Proportional to 23,934.32, 33,021.60 and 13,321.88

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Solution

The fourth proportional to 23,934.32, 33,021.60 and 13,321.88 is: 18,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,934.32 : 33,021.60 = 13,321.88 : x
  2. Step 2: Convert to fraction form
    23,934.32/33,021.60 = 13,321.88/x
  3. Step 3: Cross multiply
    23,934.32x = 33,021.60 × 13,321.88
  4. Step 4: Simplify right side
    23,934.32x = 439,909,792.61
  5. Step 5: Solve for x
    x = 439,909,792.61/23,934.32
  6. Step 6: Final answer
    x = 18,379.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.