Home / 16,742-23,110.44-11,169.20

Finding the Fourth Proportional to 16,742, 23,110.44 and 11,169.20

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Solution

The fourth proportional to 16,742, 23,110.44 and 11,169.20 is: 15,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742 : 23,110.44 = 11,169.20 : x
  2. Step 2: Convert to fraction form
    16,742/23,110.44 = 11,169.20/x
  3. Step 3: Cross multiply
    16,742x = 23,110.44 × 11,169.20
  4. Step 4: Simplify right side
    16,742x = 258,125,126.45
  5. Step 5: Solve for x
    x = 258,125,126.45/16,742
  6. Step 6: Final answer
    x = 15,417.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.