Home / 18,800.91-25,945.23-10,303.56

Finding the Fourth Proportional to 18,800.91, 25,945.23 and 10,303.56

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Solution

The fourth proportional to 18,800.91, 25,945.23 and 10,303.56 is: 14,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.91 : 25,945.23 = 10,303.56 : x
  2. Step 2: Convert to fraction form
    18,800.91/25,945.23 = 10,303.56/x
  3. Step 3: Cross multiply
    18,800.91x = 25,945.23 × 10,303.56
  4. Step 4: Simplify right side
    18,800.91x = 267,328,234.02
  5. Step 5: Solve for x
    x = 267,328,234.02/18,800.91
  6. Step 6: Final answer
    x = 14,218.90

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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.