Home / 18,204.62-25,123.18-10,247.36

Finding the Fourth Proportional to 18,204.62, 25,123.18 and 10,247.36

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Solution

The fourth proportional to 18,204.62, 25,123.18 and 10,247.36 is: 14,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.62 : 25,123.18 = 10,247.36 : x
  2. Step 2: Convert to fraction form
    18,204.62/25,123.18 = 10,247.36/x
  3. Step 3: Cross multiply
    18,204.62x = 25,123.18 × 10,247.36
  4. Step 4: Simplify right side
    18,204.62x = 257,446,269.80
  5. Step 5: Solve for x
    x = 257,446,269.80/18,204.62
  6. Step 6: Final answer
    x = 14,141.81

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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.