Home / 16,965.24-25,460-12,569.44

Finding the Fourth Proportional to 16,965.24, 25,460 and 12,569.44

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Solution

The fourth proportional to 16,965.24, 25,460 and 12,569.44 is: 18,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.24 : 25,460 = 12,569.44 : x
  2. Step 2: Convert to fraction form
    16,965.24/25,460 = 12,569.44/x
  3. Step 3: Cross multiply
    16,965.24x = 25,460 × 12,569.44
  4. Step 4: Simplify right side
    16,965.24x = 320,017,942.40
  5. Step 5: Solve for x
    x = 320,017,942.40/16,965.24
  6. Step 6: Final answer
    x = 18,863.15

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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.