Home / 15,330-22,972.56-7,544.40

Finding the Fourth Proportional to 15,330, 22,972.56 and 7,544.40

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Solution

The fourth proportional to 15,330, 22,972.56 and 7,544.40 is: 11,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330 : 22,972.56 = 7,544.40 : x
  2. Step 2: Convert to fraction form
    15,330/22,972.56 = 7,544.40/x
  3. Step 3: Cross multiply
    15,330x = 22,972.56 × 7,544.40
  4. Step 4: Simplify right side
    15,330x = 173,314,181.66
  5. Step 5: Solve for x
    x = 173,314,181.66/15,330
  6. Step 6: Final answer
    x = 11,305.56

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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.