Home / 18,571.17-25,644.69-12,624.96

Finding the Fourth Proportional to 18,571.17, 25,644.69 and 12,624.96

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Solution

The fourth proportional to 18,571.17, 25,644.69 and 12,624.96 is: 17,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.17 : 25,644.69 = 12,624.96 : x
  2. Step 2: Convert to fraction form
    18,571.17/25,644.69 = 12,624.96/x
  3. Step 3: Cross multiply
    18,571.17x = 25,644.69 × 12,624.96
  4. Step 4: Simplify right side
    18,571.17x = 323,763,185.46
  5. Step 5: Solve for x
    x = 323,763,185.46/18,571.17
  6. Step 6: Final answer
    x = 17,433.65

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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.