Home / 14,250.54-21,375.78-3,720.52

Finding the Fourth Proportional to 14,250.54, 21,375.78 and 3,720.52

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Solution

The fourth proportional to 14,250.54, 21,375.78 and 3,720.52 is: 5,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.54 : 21,375.78 = 3,720.52 : x
  2. Step 2: Convert to fraction form
    14,250.54/21,375.78 = 3,720.52/x
  3. Step 3: Cross multiply
    14,250.54x = 21,375.78 × 3,720.52
  4. Step 4: Simplify right side
    14,250.54x = 79,529,017.01
  5. Step 5: Solve for x
    x = 79,529,017.01/14,250.54
  6. Step 6: Final answer
    x = 5,580.77

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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.