Home / 19,349.62-29,023.35-7,664.02

Finding the Fourth Proportional to 19,349.62, 29,023.35 and 7,664.02

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Solution

The fourth proportional to 19,349.62, 29,023.35 and 7,664.02 is: 11,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.62 : 29,023.35 = 7,664.02 : x
  2. Step 2: Convert to fraction form
    19,349.62/29,023.35 = 7,664.02/x
  3. Step 3: Cross multiply
    19,349.62x = 29,023.35 × 7,664.02
  4. Step 4: Simplify right side
    19,349.62x = 222,435,534.87
  5. Step 5: Solve for x
    x = 222,435,534.87/19,349.62
  6. Step 6: Final answer
    x = 11,495.60

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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.