Home / 14,103.64-21,163.56-5,336.20

Finding the Fourth Proportional to 14,103.64, 21,163.56 and 5,336.20

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Solution

The fourth proportional to 14,103.64, 21,163.56 and 5,336.20 is: 8,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.64 : 21,163.56 = 5,336.20 : x
  2. Step 2: Convert to fraction form
    14,103.64/21,163.56 = 5,336.20/x
  3. Step 3: Cross multiply
    14,103.64x = 21,163.56 × 5,336.20
  4. Step 4: Simplify right side
    14,103.64x = 112,932,988.87
  5. Step 5: Solve for x
    x = 112,932,988.87/14,103.64
  6. Step 6: Final answer
    x = 8,007.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.