Home / 16,850.32-25,280-5,163.28

Finding the Fourth Proportional to 16,850.32, 25,280 and 5,163.28

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Solution

The fourth proportional to 16,850.32, 25,280 and 5,163.28 is: 7,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.32 : 25,280 = 5,163.28 : x
  2. Step 2: Convert to fraction form
    16,850.32/25,280 = 5,163.28/x
  3. Step 3: Cross multiply
    16,850.32x = 25,280 × 5,163.28
  4. Step 4: Simplify right side
    16,850.32x = 130,527,718.40
  5. Step 5: Solve for x
    x = 130,527,718.40/16,850.32
  6. Step 6: Final answer
    x = 7,746.31

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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.