Home / 14,114.92-19,429.70-12,199.87

Finding the Fourth Proportional to 14,114.92, 19,429.70 and 12,199.87

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Solution

The fourth proportional to 14,114.92, 19,429.70 and 12,199.87 is: 16,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.92 : 19,429.70 = 12,199.87 : x
  2. Step 2: Convert to fraction form
    14,114.92/19,429.70 = 12,199.87/x
  3. Step 3: Cross multiply
    14,114.92x = 19,429.70 × 12,199.87
  4. Step 4: Simplify right side
    14,114.92x = 237,039,736.76
  5. Step 5: Solve for x
    x = 237,039,736.76/14,114.92
  6. Step 6: Final answer
    x = 16,793.56

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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.