Home / 47,589.58-71,378.63-12,531.97

Finding the Fourth Proportional to 47,589.58, 71,378.63 and 12,531.97

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Solution

The fourth proportional to 47,589.58, 71,378.63 and 12,531.97 is: 18,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,589.58 : 71,378.63 = 12,531.97 : x
  2. Step 2: Convert to fraction form
    47,589.58/71,378.63 = 12,531.97/x
  3. Step 3: Cross multiply
    47,589.58x = 71,378.63 × 12,531.97
  4. Step 4: Simplify right side
    47,589.58x = 894,514,849.80
  5. Step 5: Solve for x
    x = 894,514,849.80/47,589.58
  6. Step 6: Final answer
    x = 18,796.44

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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.