Home / 14,265.92-21,399.80-5,500.71

Finding the Fourth Proportional to 14,265.92, 21,399.80 and 5,500.71

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Solution

The fourth proportional to 14,265.92, 21,399.80 and 5,500.71 is: 8,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.92 : 21,399.80 = 5,500.71 : x
  2. Step 2: Convert to fraction form
    14,265.92/21,399.80 = 5,500.71/x
  3. Step 3: Cross multiply
    14,265.92x = 21,399.80 × 5,500.71
  4. Step 4: Simplify right side
    14,265.92x = 117,714,066.35
  5. Step 5: Solve for x
    x = 117,714,066.35/14,265.92
  6. Step 6: Final answer
    x = 8,251.42

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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.