Home / 14,134.45-21,202.71-4,274.52

Finding the Fourth Proportional to 14,134.45, 21,202.71 and 4,274.52

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Solution

The fourth proportional to 14,134.45, 21,202.71 and 4,274.52 is: 6,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.45 : 21,202.71 = 4,274.52 : x
  2. Step 2: Convert to fraction form
    14,134.45/21,202.71 = 4,274.52/x
  3. Step 3: Cross multiply
    14,134.45x = 21,202.71 × 4,274.52
  4. Step 4: Simplify right side
    14,134.45x = 90,631,455.72
  5. Step 5: Solve for x
    x = 90,631,455.72/14,134.45
  6. Step 6: Final answer
    x = 6,412.10

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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.