Home / 14,161.80-19,545.24-8,196.96

Finding the Fourth Proportional to 14,161.80, 19,545.24 and 8,196.96

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Solution

The fourth proportional to 14,161.80, 19,545.24 and 8,196.96 is: 11,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.80 : 19,545.24 = 8,196.96 : x
  2. Step 2: Convert to fraction form
    14,161.80/19,545.24 = 8,196.96/x
  3. Step 3: Cross multiply
    14,161.80x = 19,545.24 × 8,196.96
  4. Step 4: Simplify right side
    14,161.80x = 160,211,550.47
  5. Step 5: Solve for x
    x = 160,211,550.47/14,161.80
  6. Step 6: Final answer
    x = 11,312.94

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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.