Home / 16,880.56-25,313.50-6,485

Finding the Fourth Proportional to 16,880.56, 25,313.50 and 6,485

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Solution

The fourth proportional to 16,880.56, 25,313.50 and 6,485 is: 9,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.56 : 25,313.50 = 6,485 : x
  2. Step 2: Convert to fraction form
    16,880.56/25,313.50 = 6,485/x
  3. Step 3: Cross multiply
    16,880.56x = 25,313.50 × 6,485
  4. Step 4: Simplify right side
    16,880.56x = 164,158,047.50
  5. Step 5: Solve for x
    x = 164,158,047.50/16,880.56
  6. Step 6: Final answer
    x = 9,724.68

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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.