Home / 16,161.65-24,220.35-12,209.66

Finding the Fourth Proportional to 16,161.65, 24,220.35 and 12,209.66

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Solution

The fourth proportional to 16,161.65, 24,220.35 and 12,209.66 is: 18,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.65 : 24,220.35 = 12,209.66 : x
  2. Step 2: Convert to fraction form
    16,161.65/24,220.35 = 12,209.66/x
  3. Step 3: Cross multiply
    16,161.65x = 24,220.35 × 12,209.66
  4. Step 4: Simplify right side
    16,161.65x = 295,722,117.48
  5. Step 5: Solve for x
    x = 295,722,117.48/16,161.65
  6. Step 6: Final answer
    x = 18,297.77

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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.