Home / 16,436.14-22,700.73-11,979.80

Finding the Fourth Proportional to 16,436.14, 22,700.73 and 11,979.80

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Solution

The fourth proportional to 16,436.14, 22,700.73 and 11,979.80 is: 16,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.14 : 22,700.73 = 11,979.80 : x
  2. Step 2: Convert to fraction form
    16,436.14/22,700.73 = 11,979.80/x
  3. Step 3: Cross multiply
    16,436.14x = 22,700.73 × 11,979.80
  4. Step 4: Simplify right side
    16,436.14x = 271,950,205.25
  5. Step 5: Solve for x
    x = 271,950,205.25/16,436.14
  6. Step 6: Final answer
    x = 16,545.87

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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.