Home / 16,874.37-23,286.68-9,320.57

Finding the Fourth Proportional to 16,874.37, 23,286.68 and 9,320.57

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Solution

The fourth proportional to 16,874.37, 23,286.68 and 9,320.57 is: 12,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.37 : 23,286.68 = 9,320.57 : x
  2. Step 2: Convert to fraction form
    16,874.37/23,286.68 = 9,320.57/x
  3. Step 3: Cross multiply
    16,874.37x = 23,286.68 × 9,320.57
  4. Step 4: Simplify right side
    16,874.37x = 217,044,967.97
  5. Step 5: Solve for x
    x = 217,044,967.97/16,874.37
  6. Step 6: Final answer
    x = 12,862.40

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1.5x scale

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.