Home / 14,169.12-21,254.37-5,404.71

Finding the Fourth Proportional to 14,169.12, 21,254.37 and 5,404.71

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Solution

The fourth proportional to 14,169.12, 21,254.37 and 5,404.71 is: 8,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.12 : 21,254.37 = 5,404.71 : x
  2. Step 2: Convert to fraction form
    14,169.12/21,254.37 = 5,404.71/x
  3. Step 3: Cross multiply
    14,169.12x = 21,254.37 × 5,404.71
  4. Step 4: Simplify right side
    14,169.12x = 114,873,706.08
  5. Step 5: Solve for x
    x = 114,873,706.08/14,169.12
  6. Step 6: Final answer
    x = 8,107.33

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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.