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Finding the Fourth Proportional to 18,184.01, 25,094.97 and 12,123.80

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Solution

The fourth proportional to 18,184.01, 25,094.97 and 12,123.80 is: 16,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.01 : 25,094.97 = 12,123.80 : x
  2. Step 2: Convert to fraction form
    18,184.01/25,094.97 = 12,123.80/x
  3. Step 3: Cross multiply
    18,184.01x = 25,094.97 × 12,123.80
  4. Step 4: Simplify right side
    18,184.01x = 304,246,211.19
  5. Step 5: Solve for x
    x = 304,246,211.19/18,184.01
  6. Step 6: Final answer
    x = 16,731.52

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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.