Home / 19,442.54-29,172.04-9,581.88

Finding the Fourth Proportional to 19,442.54, 29,172.04 and 9,581.88

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Solution

The fourth proportional to 19,442.54, 29,172.04 and 9,581.88 is: 14,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.54 : 29,172.04 = 9,581.88 : x
  2. Step 2: Convert to fraction form
    19,442.54/29,172.04 = 9,581.88/x
  3. Step 3: Cross multiply
    19,442.54x = 29,172.04 × 9,581.88
  4. Step 4: Simplify right side
    19,442.54x = 279,522,986.64
  5. Step 5: Solve for x
    x = 279,522,986.64/19,442.54
  6. Step 6: Final answer
    x = 14,376.88

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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.