Home / 18,524.57-25,572.11-11,818.98

Finding the Fourth Proportional to 18,524.57, 25,572.11 and 11,818.98

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Solution

The fourth proportional to 18,524.57, 25,572.11 and 11,818.98 is: 16,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.57 : 25,572.11 = 11,818.98 : x
  2. Step 2: Convert to fraction form
    18,524.57/25,572.11 = 11,818.98/x
  3. Step 3: Cross multiply
    18,524.57x = 25,572.11 × 11,818.98
  4. Step 4: Simplify right side
    18,524.57x = 302,236,197.55
  5. Step 5: Solve for x
    x = 302,236,197.55/18,524.57
  6. Step 6: Final answer
    x = 16,315.43

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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.