Home / 13,041.27-19,561.69-5,249.88

Finding the Fourth Proportional to 13,041.27, 19,561.69 and 5,249.88

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Solution

The fourth proportional to 13,041.27, 19,561.69 and 5,249.88 is: 7,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.27 : 19,561.69 = 5,249.88 : x
  2. Step 2: Convert to fraction form
    13,041.27/19,561.69 = 5,249.88/x
  3. Step 3: Cross multiply
    13,041.27x = 19,561.69 × 5,249.88
  4. Step 4: Simplify right side
    13,041.27x = 102,696,525.10
  5. Step 5: Solve for x
    x = 102,696,525.10/13,041.27
  6. Step 6: Final answer
    x = 7,874.73

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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.