Home / 33,110.76-45,692.70-18,963.30

Finding the Fourth Proportional to 33,110.76, 45,692.70 and 18,963.30

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Solution

The fourth proportional to 33,110.76, 45,692.70 and 18,963.30 is: 26,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.76 : 45,692.70 = 18,963.30 : x
  2. Step 2: Convert to fraction form
    33,110.76/45,692.70 = 18,963.30/x
  3. Step 3: Cross multiply
    33,110.76x = 45,692.70 × 18,963.30
  4. Step 4: Simplify right side
    33,110.76x = 866,484,377.91
  5. Step 5: Solve for x
    x = 866,484,377.91/33,110.76
  6. Step 6: Final answer
    x = 26,169.27

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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.