Home / 23,418.80-32,321.04-13,350.88

Finding the Fourth Proportional to 23,418.80, 32,321.04 and 13,350.88

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Solution

The fourth proportional to 23,418.80, 32,321.04 and 13,350.88 is: 18,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,418.80 : 32,321.04 = 13,350.88 : x
  2. Step 2: Convert to fraction form
    23,418.80/32,321.04 = 13,350.88/x
  3. Step 3: Cross multiply
    23,418.80x = 32,321.04 × 13,350.88
  4. Step 4: Simplify right side
    23,418.80x = 431,514,326.52
  5. Step 5: Solve for x
    x = 431,514,326.52/23,418.80
  6. Step 6: Final answer
    x = 18,425.98

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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.