Home / 22,463.64-33,685.70-11,931.35

Finding the Fourth Proportional to 22,463.64, 33,685.70 and 11,931.35

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Solution

The fourth proportional to 22,463.64, 33,685.70 and 11,931.35 is: 17,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.64 : 33,685.70 = 11,931.35 : x
  2. Step 2: Convert to fraction form
    22,463.64/33,685.70 = 11,931.35/x
  3. Step 3: Cross multiply
    22,463.64x = 33,685.70 × 11,931.35
  4. Step 4: Simplify right side
    22,463.64x = 401,915,648.61
  5. Step 5: Solve for x
    x = 401,915,648.61/22,463.64
  6. Step 6: Final answer
    x = 17,891.83

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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.