Home / 30,126.98-41,574.30-16,698.80

Finding the Fourth Proportional to 30,126.98, 41,574.30 and 16,698.80

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Solution

The fourth proportional to 30,126.98, 41,574.30 and 16,698.80 is: 23,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.98 : 41,574.30 = 16,698.80 : x
  2. Step 2: Convert to fraction form
    30,126.98/41,574.30 = 16,698.80/x
  3. Step 3: Cross multiply
    30,126.98x = 41,574.30 × 16,698.80
  4. Step 4: Simplify right side
    30,126.98x = 694,240,920.84
  5. Step 5: Solve for x
    x = 694,240,920.84/30,126.98
  6. Step 6: Final answer
    x = 23,043.83

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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.