Home / 14,193.45-19,586.97-8,228.58

Finding the Fourth Proportional to 14,193.45, 19,586.97 and 8,228.58

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Solution

The fourth proportional to 14,193.45, 19,586.97 and 8,228.58 is: 11,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.45 : 19,586.97 = 8,228.58 : x
  2. Step 2: Convert to fraction form
    14,193.45/19,586.97 = 8,228.58/x
  3. Step 3: Cross multiply
    14,193.45x = 19,586.97 × 8,228.58
  4. Step 4: Simplify right side
    14,193.45x = 161,172,908.46
  5. Step 5: Solve for x
    x = 161,172,908.46/14,193.45
  6. Step 6: Final answer
    x = 11,355.44

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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.