Home / 17,111.07-25,655.49-11,249.91

Finding the Fourth Proportional to 17,111.07, 25,655.49 and 11,249.91

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Solution

The fourth proportional to 17,111.07, 25,655.49 and 11,249.91 is: 16,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.07 : 25,655.49 = 11,249.91 : x
  2. Step 2: Convert to fraction form
    17,111.07/25,655.49 = 11,249.91/x
  3. Step 3: Cross multiply
    17,111.07x = 25,655.49 × 11,249.91
  4. Step 4: Simplify right side
    17,111.07x = 288,621,953.51
  5. Step 5: Solve for x
    x = 288,621,953.51/17,111.07
  6. Step 6: Final answer
    x = 16,867.56

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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.