Home / 14,579.27-21,760.67-12,569.36

Finding the Fourth Proportional to 14,579.27, 21,760.67 and 12,569.36

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Solution

The fourth proportional to 14,579.27, 21,760.67 and 12,569.36 is: 18,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.27 : 21,760.67 = 12,569.36 : x
  2. Step 2: Convert to fraction form
    14,579.27/21,760.67 = 12,569.36/x
  3. Step 3: Cross multiply
    14,579.27x = 21,760.67 × 12,569.36
  4. Step 4: Simplify right side
    14,579.27x = 273,517,523.42
  5. Step 5: Solve for x
    x = 273,517,523.42/14,579.27
  6. Step 6: Final answer
    x = 18,760.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.