Home / 14,818.41-20,469.38-11,855.43

Finding the Fourth Proportional to 14,818.41, 20,469.38 and 11,855.43

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Solution

The fourth proportional to 14,818.41, 20,469.38 and 11,855.43 is: 16,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.41 : 20,469.38 = 11,855.43 : x
  2. Step 2: Convert to fraction form
    14,818.41/20,469.38 = 11,855.43/x
  3. Step 3: Cross multiply
    14,818.41x = 20,469.38 × 11,855.43
  4. Step 4: Simplify right side
    14,818.41x = 242,673,242.46
  5. Step 5: Solve for x
    x = 242,673,242.46/14,818.41
  6. Step 6: Final answer
    x = 16,376.47

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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.