Home / 14,144.52-21,208.50-5,380.08

Finding the Fourth Proportional to 14,144.52, 21,208.50 and 5,380.08

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Solution

The fourth proportional to 14,144.52, 21,208.50 and 5,380.08 is: 8,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.52 : 21,208.50 = 5,380.08 : x
  2. Step 2: Convert to fraction form
    14,144.52/21,208.50 = 5,380.08/x
  3. Step 3: Cross multiply
    14,144.52x = 21,208.50 × 5,380.08
  4. Step 4: Simplify right side
    14,144.52x = 114,103,426.68
  5. Step 5: Solve for x
    x = 114,103,426.68/14,144.52
  6. Step 6: Final answer
    x = 8,066.97

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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.