Home / 14,208.21-21,269.79-10,250.55

Finding the Fourth Proportional to 14,208.21, 21,269.79 and 10,250.55

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Solution

The fourth proportional to 14,208.21, 21,269.79 and 10,250.55 is: 15,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.21 : 21,269.79 = 10,250.55 : x
  2. Step 2: Convert to fraction form
    14,208.21/21,269.79 = 10,250.55/x
  3. Step 3: Cross multiply
    14,208.21x = 21,269.79 × 10,250.55
  4. Step 4: Simplify right side
    14,208.21x = 218,027,045.88
  5. Step 5: Solve for x
    x = 218,027,045.88/14,208.21
  6. Step 6: Final answer
    x = 15,345.15

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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.