Home / 33,728.72-46,543.23-18,618.95

Finding the Fourth Proportional to 33,728.72, 46,543.23 and 18,618.95

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Solution

The fourth proportional to 33,728.72, 46,543.23 and 18,618.95 is: 25,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.72 : 46,543.23 = 18,618.95 : x
  2. Step 2: Convert to fraction form
    33,728.72/46,543.23 = 18,618.95/x
  3. Step 3: Cross multiply
    33,728.72x = 46,543.23 × 18,618.95
  4. Step 4: Simplify right side
    33,728.72x = 866,586,072.21
  5. Step 5: Solve for x
    x = 866,586,072.21/33,728.72
  6. Step 6: Final answer
    x = 25,692.82

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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.