Home / 15,724.56-23,581.84-5,192.62

Finding the Fourth Proportional to 15,724.56, 23,581.84 and 5,192.62

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Solution

The fourth proportional to 15,724.56, 23,581.84 and 5,192.62 is: 7,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.56 : 23,581.84 = 5,192.62 : x
  2. Step 2: Convert to fraction form
    15,724.56/23,581.84 = 5,192.62/x
  3. Step 3: Cross multiply
    15,724.56x = 23,581.84 × 5,192.62
  4. Step 4: Simplify right side
    15,724.56x = 122,451,416.11
  5. Step 5: Solve for x
    x = 122,451,416.11/15,724.56
  6. Step 6: Final answer
    x = 7,787.27

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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.