Home / 16,913.76-23,363.30-12,983.44

Finding the Fourth Proportional to 16,913.76, 23,363.30 and 12,983.44

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Solution

The fourth proportional to 16,913.76, 23,363.30 and 12,983.44 is: 17,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.76 : 23,363.30 = 12,983.44 : x
  2. Step 2: Convert to fraction form
    16,913.76/23,363.30 = 12,983.44/x
  3. Step 3: Cross multiply
    16,913.76x = 23,363.30 × 12,983.44
  4. Step 4: Simplify right side
    16,913.76x = 303,336,003.75
  5. Step 5: Solve for x
    x = 303,336,003.75/16,913.76
  6. Step 6: Final answer
    x = 17,934.27

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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.