Home / 14,400.31-21,602.30-5,634.09

Finding the Fourth Proportional to 14,400.31, 21,602.30 and 5,634.09

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Solution

The fourth proportional to 14,400.31, 21,602.30 and 5,634.09 is: 8,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.31 : 21,602.30 = 5,634.09 : x
  2. Step 2: Convert to fraction form
    14,400.31/21,602.30 = 5,634.09/x
  3. Step 3: Cross multiply
    14,400.31x = 21,602.30 × 5,634.09
  4. Step 4: Simplify right side
    14,400.31x = 121,709,193.23
  5. Step 5: Solve for x
    x = 121,709,193.23/14,400.31
  6. Step 6: Final answer
    x = 8,451.84

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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.