Home / 14,161.89-19,545.57-8,193.45

Finding the Fourth Proportional to 14,161.89, 19,545.57 and 8,193.45

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Solution

The fourth proportional to 14,161.89, 19,545.57 and 8,193.45 is: 11,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.89 : 19,545.57 = 8,193.45 : x
  2. Step 2: Convert to fraction form
    14,161.89/19,545.57 = 8,193.45/x
  3. Step 3: Cross multiply
    14,161.89x = 19,545.57 × 8,193.45
  4. Step 4: Simplify right side
    14,161.89x = 160,145,650.52
  5. Step 5: Solve for x
    x = 160,145,650.52/14,161.89
  6. Step 6: Final answer
    x = 11,308.21

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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.