Home / 20,550.41-28,357.49-11,597.38

Finding the Fourth Proportional to 20,550.41, 28,357.49 and 11,597.38

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Solution

The fourth proportional to 20,550.41, 28,357.49 and 11,597.38 is: 16,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.41 : 28,357.49 = 11,597.38 : x
  2. Step 2: Convert to fraction form
    20,550.41/28,357.49 = 11,597.38/x
  3. Step 3: Cross multiply
    20,550.41x = 28,357.49 × 11,597.38
  4. Step 4: Simplify right side
    20,550.41x = 328,872,545.48
  5. Step 5: Solve for x
    x = 328,872,545.48/20,550.41
  6. Step 6: Final answer
    x = 16,003.21

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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.