Home / 14,418.28-21,618.12-5,654.08

Finding the Fourth Proportional to 14,418.28, 21,618.12 and 5,654.08

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Solution

The fourth proportional to 14,418.28, 21,618.12 and 5,654.08 is: 8,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.28 : 21,618.12 = 5,654.08 : x
  2. Step 2: Convert to fraction form
    14,418.28/21,618.12 = 5,654.08/x
  3. Step 3: Cross multiply
    14,418.28x = 21,618.12 × 5,654.08
  4. Step 4: Simplify right side
    14,418.28x = 122,230,579.93
  5. Step 5: Solve for x
    x = 122,230,579.93/14,418.28
  6. Step 6: Final answer
    x = 8,477.47

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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.