Home / 16,698.50-23,044.20-9,144.70

Finding the Fourth Proportional to 16,698.50, 23,044.20 and 9,144.70

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Solution

The fourth proportional to 16,698.50, 23,044.20 and 9,144.70 is: 12,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.50 : 23,044.20 = 9,144.70 : x
  2. Step 2: Convert to fraction form
    16,698.50/23,044.20 = 9,144.70/x
  3. Step 3: Cross multiply
    16,698.50x = 23,044.20 × 9,144.70
  4. Step 4: Simplify right side
    16,698.50x = 210,732,203.84
  5. Step 5: Solve for x
    x = 210,732,203.84/16,698.50
  6. Step 6: Final answer
    x = 12,619.83

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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.