Home / 15,375.64-23,065.50-5,516.04

Finding the Fourth Proportional to 15,375.64, 23,065.50 and 5,516.04

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Solution

The fourth proportional to 15,375.64, 23,065.50 and 5,516.04 is: 8,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.64 : 23,065.50 = 5,516.04 : x
  2. Step 2: Convert to fraction form
    15,375.64/23,065.50 = 5,516.04/x
  3. Step 3: Cross multiply
    15,375.64x = 23,065.50 × 5,516.04
  4. Step 4: Simplify right side
    15,375.64x = 127,230,220.62
  5. Step 5: Solve for x
    x = 127,230,220.62/15,375.64
  6. Step 6: Final answer
    x = 8,274.79

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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.