Home / 22,876-31,570.80-12,941.92

Finding the Fourth Proportional to 22,876, 31,570.80 and 12,941.92

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Solution

The fourth proportional to 22,876, 31,570.80 and 12,941.92 is: 17,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,876 : 31,570.80 = 12,941.92 : x
  2. Step 2: Convert to fraction form
    22,876/31,570.80 = 12,941.92/x
  3. Step 3: Cross multiply
    22,876x = 31,570.80 × 12,941.92
  4. Step 4: Simplify right side
    22,876x = 408,586,767.94
  5. Step 5: Solve for x
    x = 408,586,767.94/22,876
  6. Step 6: Final answer
    x = 17,860.94

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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.