Home / 30,210.28-41,692.62-16,786.18

Finding the Fourth Proportional to 30,210.28, 41,692.62 and 16,786.18

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Solution

The fourth proportional to 30,210.28, 41,692.62 and 16,786.18 is: 23,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.28 : 41,692.62 = 16,786.18 : x
  2. Step 2: Convert to fraction form
    30,210.28/41,692.62 = 16,786.18/x
  3. Step 3: Cross multiply
    30,210.28x = 41,692.62 × 16,786.18
  4. Step 4: Simplify right side
    30,210.28x = 699,859,823.99
  5. Step 5: Solve for x
    x = 699,859,823.99/30,210.28
  6. Step 6: Final answer
    x = 23,166.28

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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.