Home / 18,234.45-25,165.90-10,279.24

Finding the Fourth Proportional to 18,234.45, 25,165.90 and 10,279.24

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Solution

The fourth proportional to 18,234.45, 25,165.90 and 10,279.24 is: 14,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.45 : 25,165.90 = 10,279.24 : x
  2. Step 2: Convert to fraction form
    18,234.45/25,165.90 = 10,279.24/x
  3. Step 3: Cross multiply
    18,234.45x = 25,165.90 × 10,279.24
  4. Step 4: Simplify right side
    18,234.45x = 258,686,325.92
  5. Step 5: Solve for x
    x = 258,686,325.92/18,234.45
  6. Step 6: Final answer
    x = 14,186.68

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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.