Home / 19,045.64-28,568.15-5,194.64

Finding the Fourth Proportional to 19,045.64, 28,568.15 and 5,194.64

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Solution

The fourth proportional to 19,045.64, 28,568.15 and 5,194.64 is: 7,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.64 : 28,568.15 = 5,194.64 : x
  2. Step 2: Convert to fraction form
    19,045.64/28,568.15 = 5,194.64/x
  3. Step 3: Cross multiply
    19,045.64x = 28,568.15 × 5,194.64
  4. Step 4: Simplify right side
    19,045.64x = 148,401,254.72
  5. Step 5: Solve for x
    x = 148,401,254.72/19,045.64
  6. Step 6: Final answer
    x = 7,791.88

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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.