Home / 22,161.42-33,235.65-18,256.14

Finding the Fourth Proportional to 22,161.42, 33,235.65 and 18,256.14

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Solution

The fourth proportional to 22,161.42, 33,235.65 and 18,256.14 is: 27,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.42 : 33,235.65 = 18,256.14 : x
  2. Step 2: Convert to fraction form
    22,161.42/33,235.65 = 18,256.14/x
  3. Step 3: Cross multiply
    22,161.42x = 33,235.65 × 18,256.14
  4. Step 4: Simplify right side
    22,161.42x = 606,754,679.39
  5. Step 5: Solve for x
    x = 606,754,679.39/22,161.42
  6. Step 6: Final answer
    x = 27,378.87

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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.