Home / 14,843.45-20,493.47-13,247.35

Finding the Fourth Proportional to 14,843.45, 20,493.47 and 13,247.35

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Solution

The fourth proportional to 14,843.45, 20,493.47 and 13,247.35 is: 18,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.45 : 20,493.47 = 13,247.35 : x
  2. Step 2: Convert to fraction form
    14,843.45/20,493.47 = 13,247.35/x
  3. Step 3: Cross multiply
    14,843.45x = 20,493.47 × 13,247.35
  4. Step 4: Simplify right side
    14,843.45x = 271,484,151.69
  5. Step 5: Solve for x
    x = 271,484,151.69/14,843.45
  6. Step 6: Final answer
    x = 18,289.83

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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.