Home / 18,572.21-25,614.06-12,193.92

Finding the Fourth Proportional to 18,572.21, 25,614.06 and 12,193.92

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Solution

The fourth proportional to 18,572.21, 25,614.06 and 12,193.92 is: 16,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.21 : 25,614.06 = 12,193.92 : x
  2. Step 2: Convert to fraction form
    18,572.21/25,614.06 = 12,193.92/x
  3. Step 3: Cross multiply
    18,572.21x = 25,614.06 × 12,193.92
  4. Step 4: Simplify right side
    18,572.21x = 312,335,670.44
  5. Step 5: Solve for x
    x = 312,335,670.44/18,572.21
  6. Step 6: Final answer
    x = 16,817.37

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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.