Home / 14,649.45-20,227.89-13,529.94

Finding the Fourth Proportional to 14,649.45, 20,227.89 and 13,529.94

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Solution

The fourth proportional to 14,649.45, 20,227.89 and 13,529.94 is: 18,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.45 : 20,227.89 = 13,529.94 : x
  2. Step 2: Convert to fraction form
    14,649.45/20,227.89 = 13,529.94/x
  3. Step 3: Cross multiply
    14,649.45x = 20,227.89 × 13,529.94
  4. Step 4: Simplify right side
    14,649.45x = 273,682,138.03
  5. Step 5: Solve for x
    x = 273,682,138.03/14,649.45
  6. Step 6: Final answer
    x = 18,682.08

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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.