Home / 16,616.80-24,933.30-12,666.70

Finding the Fourth Proportional to 16,616.80, 24,933.30 and 12,666.70

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Solution

The fourth proportional to 16,616.80, 24,933.30 and 12,666.70 is: 19,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616.80 : 24,933.30 = 12,666.70 : x
  2. Step 2: Convert to fraction form
    16,616.80/24,933.30 = 12,666.70/x
  3. Step 3: Cross multiply
    16,616.80x = 24,933.30 × 12,666.70
  4. Step 4: Simplify right side
    16,616.80x = 315,822,631.11
  5. Step 5: Solve for x
    x = 315,822,631.11/16,616.80
  6. Step 6: Final answer
    x = 19,006.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.