Home / 33,545.12-46,285.20-18,640.80

Finding the Fourth Proportional to 33,545.12, 46,285.20 and 18,640.80

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Solution

The fourth proportional to 33,545.12, 46,285.20 and 18,640.80 is: 25,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,545.12 : 46,285.20 = 18,640.80 : x
  2. Step 2: Convert to fraction form
    33,545.12/46,285.20 = 18,640.80/x
  3. Step 3: Cross multiply
    33,545.12x = 46,285.20 × 18,640.80
  4. Step 4: Simplify right side
    33,545.12x = 862,793,156.16
  5. Step 5: Solve for x
    x = 862,793,156.16/33,545.12
  6. Step 6: Final answer
    x = 25,720.38

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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.