Home / 16,905.62-25,362.59-5,812.47

Finding the Fourth Proportional to 16,905.62, 25,362.59 and 5,812.47

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Solution

The fourth proportional to 16,905.62, 25,362.59 and 5,812.47 is: 8,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.62 : 25,362.59 = 5,812.47 : x
  2. Step 2: Convert to fraction form
    16,905.62/25,362.59 = 5,812.47/x
  3. Step 3: Cross multiply
    16,905.62x = 25,362.59 × 5,812.47
  4. Step 4: Simplify right side
    16,905.62x = 147,419,264.43
  5. Step 5: Solve for x
    x = 147,419,264.43/16,905.62
  6. Step 6: Final answer
    x = 8,720.13

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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.