Home / 14,489.08-21,743.36-5,129.06

Finding the Fourth Proportional to 14,489.08, 21,743.36 and 5,129.06

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Solution

The fourth proportional to 14,489.08, 21,743.36 and 5,129.06 is: 7,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.08 : 21,743.36 = 5,129.06 : x
  2. Step 2: Convert to fraction form
    14,489.08/21,743.36 = 5,129.06/x
  3. Step 3: Cross multiply
    14,489.08x = 21,743.36 × 5,129.06
  4. Step 4: Simplify right side
    14,489.08x = 111,522,998.04
  5. Step 5: Solve for x
    x = 111,522,998.04/14,489.08
  6. Step 6: Final answer
    x = 7,697.04

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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.