Home / 18,204.99-25,123.70-10,247.73

Finding the Fourth Proportional to 18,204.99, 25,123.70 and 10,247.73

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Solution

The fourth proportional to 18,204.99, 25,123.70 and 10,247.73 is: 14,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.99 : 25,123.70 = 10,247.73 : x
  2. Step 2: Convert to fraction form
    18,204.99/25,123.70 = 10,247.73/x
  3. Step 3: Cross multiply
    18,204.99x = 25,123.70 × 10,247.73
  4. Step 4: Simplify right side
    18,204.99x = 257,460,894.20
  5. Step 5: Solve for x
    x = 257,460,894.20/18,204.99
  6. Step 6: Final answer
    x = 14,142.33

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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.