Home / 12,375.65-18,561.69-4,056.01

Finding the Fourth Proportional to 12,375.65, 18,561.69 and 4,056.01

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Solution

The fourth proportional to 12,375.65, 18,561.69 and 4,056.01 is: 6,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.65 : 18,561.69 = 4,056.01 : x
  2. Step 2: Convert to fraction form
    12,375.65/18,561.69 = 4,056.01/x
  3. Step 3: Cross multiply
    12,375.65x = 18,561.69 × 4,056.01
  4. Step 4: Simplify right side
    12,375.65x = 75,286,353.85
  5. Step 5: Solve for x
    x = 75,286,353.85/12,375.65
  6. Step 6: Final answer
    x = 6,083.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.